| 1930 |
Kirchheimer,F. | Kirchheimer,F. (1930) Browncoal research and pollen analysis Braunkohle,(Halle).
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| 1930 |
Ergalskaya,Z. | Ergalskaya,Z. (1930) Description of the microscopicalstructure of the coal of the Dvukharshinny Seam, Chernogorski Mines, Minusinsk Basin, Russia. Geologo-Razvedochnoe Obedenniya,Trudy 4 (Transaction of the Geological and Prospecting Service of USSR;Fasc.4). 71- 78
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| 1931 |
Potonie,R. | Potonie,R. (1931) Pollen forms of the Miocene Brown Coal. Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin. 24- 28
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| 1931 |
Nemejc,F. | Nemejc,F. (1931) A study on the systematical position of the fructification called Sporangiostrobus Bode. Bulletin de International de l'Academie des Sciences de Boheme(Prague). 1- 13
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| 1931 |
Kirchheimer,F. | Kirchheimer,F. (1931) Pollenanalytic investigations of Brown Coal Braunkohle,(Halle). 1- 8
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| 1931 |
Potonie,R. | Potonie,R. (1931) The microscopic research of Brown Coals.Tertiary pollen forms. Braunkohle,(Halle). 325- 333
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| 1931 |
Kirchheimer,F. | Kirchheimer,F. (1931) The fossil representatives of the genus Salvinia Mich.Iii. On a new discovery from remains of microsporangia of a Miocene Salvinia Planta: Archiv fur Wissenschaftliche Botanik. 102- 113
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| 1931 |
Bradley,W.H. | Bradley,W.H. (1931) Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. United States Geological Survey, Professional Paper. 1- 58
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| 1931 |
Potonie,R. | Potonie,R. (1931) Pollenforms from the Tertiary Brown Coals. Jahrbuch der Preussischen Geologischen Landesansta,Senftenberg. 1- 7
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| 1931 |
Bode,H. | Bode,H. (1931) Pollen analysis of Brown Coal Internationale Bergwirischaft und Bertechnik,(Halle). 10- 15
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| 1931 |
Eisenack,A. | Eisenack,A. (1931) New Mikrofossils of the Baltic Silurian.1. Pal¤eontologische Zeitschrift. 74- 118
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| 1931 |
McCabe,L.C. | McCabe,L.C. (1931) Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) Transactions of the Illinois State Academy of Science. 321- 326
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| 1931 |
Zerndt,J. | Zerndt,J. (1931) Megaspores as guide fossils of the productive Coal Measures. Bulletin de l'Academie Polonaise des Sciences et des Lettres,Serie I.Math.(2). 165- 183
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| 1931 |
Harris,T.M. | Harris,T.M. (1931) The fossil flora of Scoresby Sound, east Greenland. Part 1. Cryptogams (exlusive of Lycopodiales). Meddelelser om Grиnland. 1- 104
| details |
| 1931 |
Potonie,R. | Potonie,R. (1931) On the microscopy of Browncoal.Tertiary spore and pollen forms: Part 4. Zeitschrift fur Braunkohle. 554- 556
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| 1931 |
Stach,E. et al. | Stach,E. et al. (1931) Spores in the Flame, Gasflame and Gascoal of the Ruhr Coal. Zeitschrift "Gluckauf,"Berg-Und Huttenmannische.. 1118- 1124
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| 1932 |
Arnold,C.A. | Arnold,C.A. (1932) Microfossils from Greenland Coal. Papers of the Michigan Academy of Science, Arts and Letters. 51- 61
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| 1932 |
Potonie,R. et al. | Potonie,R. et al. (1932) Spore forms in the Agir and Bismarck Seams of the Ruhr Basin. Neues Jahrbuch fмr Mineralogie, Geologie und Pal¤ontologie. Monatshefte. Abteilung 2: Geologie, Pal¤ontologie. 438- 454
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| 1932 |
Wodehouse,R.P. | Wodehouse,R.P. (1932) Tertiary pollen.1.Pollen of the living representatives of the Green River flora. Bulletin of the Torrey Botanical Club. 313- 340
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| 1932 |
Miner,E.L. | Miner,E.L. (1932) Megaspores ascribed to Selaginellites from the Upper Cretaceous coals of Western Greenland. Journal of the Washington Academy of Sciences. 497- 506
| details |
| 1932 |
Singh,T.C.N. | Singh,T.C.N. (1932) Notes on the fossil spores in an oil-shale from Tasmania. Papers and Proceedings of the Royal Society of Tasmania. 32- 36
| details |
| 1932 |
Eisenack,A. | Eisenack,A. (1932) New microfossils of the Baltic Silurian.2. Pal¤eontologische Zeitschrift. 257- 277
| details |
| 1932 |
Zerndt,J. | Zerndt,J. (1932) An attempt at stratigraphic determination of Carpathian Coal Pebbles based on the study of megaspores. Bulletin de l'Academie Polonaise des Sciences et des Lettres,Serie A, Sciences Naturelles. 5- 7
| details |
| 1932 |
Zerndt,J. | Zerndt,J. (1932) Megaspores of the Zwickau and Lugau-Oelsnitz Carboniferous. Jahrbuch Fuer Berg-Und Huettenwesen Im Sachsen (Freiberg).. 9- 16
| details |
| 1932 |
Harris,T.M. | Harris,T.M. (1932) The fossil flora of Scoresby Sound, east Greenland. Part 2. Description of seed plants incertae sedis together with a discussion of certain Cycadophyte cuticles. Meddelelser om Grиnland. 1- 112
| details |
| 1932 |
Harris,T.M. | Harris,T.M. (1932) The flora of Scoresby Sound, east Greenland. Part 3. Caytoniales Bennettitales. Meddelelser om Grиnland. 5- 133
| details |
| 1932 |
Kirchheimer,F. | Kirchheimer,F. (1932) Pollen of the Upper Tertiary Browncoal in Salzhausen, (Oberhessen). Neues Jahrbuch fмr Geologie und Pal¤ontologie. Abhandlungen. 305- 311
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| 1933 |
Stauffer,C.R. | Stauffer,C.R. (1933) Middle Ordovician polychaeta from Minnesota. Geological Society of America Bulletin. 1173- 1218
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| 1933 |
Ahlstrom,E.H. et al. | Ahlstrom,E.H. et al. (1933) The algal genus Tetrastrum. American Journal of Botany. 499- 507
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| 1933 |
Potonie,R. | Potonie,R. (1933) Morphology of fossil pollen Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin. 516- 516
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| 1933 |
Potonie,R. et al. | Potonie,R. et al. (1933) Pteridophyte spores of some Eocene Browncoal from Dorog, Hungary Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin. 517- 528
| details |
| 1933 |
Deflandre,G. | Deflandre,G. (1933) Preliminary note on the fossil Peridinian, Lithoperidinium oamaruense, n.g., n.sp. Bulletin de la Societe Zoologie de France. 265- 273
| details |
| 1933 |
Raistrick,A. et al. | Raistrick,A. et al. (1933) The microspores of some Northumberland Coals, and their use in the correlation of coal-seams. Transactions of the Institution of Mining Engineers,(London). 225- 235
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| 1933 |
Ibrahim,A.C. | Ibrahim,A.C. (1933) Spore forms of the Agir horizon of the Ruhr Basin. Triltsch,(Wurzburg).. 1- 46
| details |
| 1933 |
Lefevre,M. | Lefevre,M. (1933) On the structure of the theca among the Peridinites. Comptes Rendus de l'Acad©mie des Sciences, S©rie II. 81- 83
| details |
| 1933 |
Wodehouse,R.P. | Wodehouse,R.P. (1933) Tertiary pollen II. The oil shales of the Eocene Green River Formation Bulletin of the Torrey Botanical Club. 479- 524
| details |
| 1933 |
Seward,A.C. | Seward,A.C. (1933) An Antarctic pollen-grain; fact or fancy? New Phytologist. 311- 313
| details |
| 1933 |
Kirchheimer,F. | Kirchheimer,F. (1933) On the preparation of slides for the contrast reproduction of fossil pollen. Pal¤eontologische Zeitschrift. 78- 79
| details |
| 1933 |
Kirchheimer,F. | Kirchheimer,F. (1933) The thermal Damage of pollen in Coals. Berichte Schweizerbart'sche Botanischen Gesellschaft. 23- 30
| details |
| 1933 |
Halle,T.G. | Halle,T.G. (1933) The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. Palaobotanische Mitteilungen,Kungliga Svenska Vetenskapsakademiens Handlingar. 1- 103
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| 1933 |
Harris,T.M. | Harris,T.M. (1933) A new member of the Caytoniales. New Phytologist. 97- 114
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| 1933 |
Wetzel,O. | Wetzel,O. (1933) Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 1.) Pal¤eontographica Abteilung A. 141- 186
| details |
| 1933 |
Wetzel,O. | Wetzel,O. (1933) Microfossils preserved in organic substances of the Baltic Cretaceous Flint. (Part 2.) Pal¤eontographica Abteilung A. 1- 110
| details |
| 1933 |
Kirchheimer,F. | Kirchheimer,F. (1933) On the Wetterau main Browncoal Seam Braunkohle,(Halle). 845- 846
| details |
| 1934 |
Potonie,R. | Potonie,R. (1934) The microbotany of the Eocene Brown Coal of the Geiseltal. Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 25- 125
| details |
| 1934 |
Wolff,H. | Wolff,H. (1934) Microfossils of the Pliocene Brown Coal from the Freigericht Mine near Dettingenam and comparison with older layers of the Tertiary as Sowie as post-Tertiary deposits. Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 55- 86
| details |
| 1934 |
Potonie,R. et al. | Potonie,R. et al. (1934) Microbotany of Miocene Brown Coal from the Niederrheinische Bucht Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 8- 54
| details |
| 1934 |
Loose,F. | Loose,F. (1934) Spores of the Bismarck Seam, Ruhr area. Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 127- 164
| details |
| 1934 |
Potonie,R. | Potonie,R. (1934) Morphology of fossil pollen and spores. Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 5- 24
| details |
| 1934 |
Wicher,C.A. | Wicher,C.A. (1934) IV. Spore forms in the Flame Coal of the Ruhr area Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 165- 212
| details |
| 1934 |
Raistrick,A. | Raistrick,A. (1934) The correlation of coal-seams by microspore content. Part 1. The seams of Northumberland. Transactions of the Institution of Mining Engineers,(London). 142- 153
| details |
| 1934 |
Deflandre,G. | Deflandre,G. (1934) The presence of Conifer, (Abietineae), pollen in Flint in the Chalk. The pollen accumulation of the Cretaceous Epoque. Comptes Rendus de l'Acad©mie des Sciences, S©rie II. 797- 799
| details |
| 1934 |
Zerndt,J. | Zerndt,J. (1934) Megaspores from the Polish Coal Basin. first Part. Bulletin de l'Academie Polonaise des Sciences et des Lettres,Travaux Geologiques,(Krakow). 1- 56
| details |
| 1934 |
Kirchheimer,F. | Kirchheimer,F. (1934) Fossil spores and pollen grains as Thermometer of Coalification. Brennstoff-Chemie. 23- 25
| details |
| 1934 |
Wicher,C.A. | Wicher,C.A. (1934) Concerning the abortive appearance of fossil spores and their phylogenetic significance Arbeiten aus dem Institut fмr Pal¤obotanik und Petrographie der Brennsteine. 87- 95
| details |
| 1934 |
Miner,E.L. | Miner,E.L. (1934) A new Gleicheniopsis from the Upper Cretaceous of Western Greenland. American Journal of Botany. 261- 264
| details |
| 1934 |
Eller,E.R. | Eller,E.R. (1934) Annelid jaws from the Upper Devonian of New York. Annals of the Carnegie Museum. 303- 317
| details |
| 1934 |
Deflandre,G. | Deflandre,G. (1934) On microfossils of planktonic origin preserved as organic material in Cherts in Chalk. Comptes Rendus Hebdomadaires des S©ances de l'Acad©mie des Sciences. 966- 968
| details |
| 1934 |
Hough,J.L. | Hough,J.L. (1934) Redeposition of microscopic Devonian plant fossils Journal of Geology. 646- 648
| details |
| 1934 |
Eisenack,A. | Eisenack,A. (1934) New microfossils of the Baltic Silurian and new microfossils of the Bohemian Silurian.3. Pal¤eontologische Zeitschrift. 52- 76
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