@book{bhlpg19994680, title = {International catalogue of scientific literature }, volume = {1909 Div. K (May)}, url = {https://www.biodiversitylibrary.org/page/19994680}, publisher = {Published for the International Council by the Royal Society of London}, author = {Royal Society (Great Britain) }, year = {1909}, pages = {Page 245}, } @book{bhlpg19948047, title = {International catalogue of scientific literature }, volume = {1910 Div. K (November)}, url = {https://www.biodiversitylibrary.org/page/19948047}, publisher = {Published for the International Council by the Royal Society of London}, author = {Royal Society (Great Britain) }, year = {1910}, pages = {Page 252}, } @book{bhlpg56702426, title = {Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik }, volume = {v.1 (1910)}, url = {https://www.biodiversitylibrary.org/page/56702426}, publisher = {Fischer}, author = {Jongmans, W. (Willem), 1878 -1957}, year = {1910}, pages = {Page 175}, }