1. Paléobotanique et palynologie en France: aperçu historique;Alpern;Rev. Palaeobotan. Palynol,1968
2. Principles of Palaeobotany;Darrah,1939
3. Une Grande Famille des Savants: Les Brongniart;De Launay,1940
4. A Short History of Botany in Sweden;Fries,1950
5. A History of Botany in the United Kingdom from the Earliest Times to the End of the 19th Century;Green,1914