In 1906 Pulle made lectures in botany and plant systematics and since 1908 also in plant geography, he took part (in 1902 and 1903) of the Saramacca expedition to Suriname and this study also determined the content of his thesis: "An enumeration of the vascular plants known from Surinam, together with their distribution and synonymy", which he got in 1906 a PhD doctorate in zoology and botany.
August Strindberg | August | Papal conclave, August 1978 | Stanisław August Poniatowski | August Derleth | Pernilla August | August Macke | Gottfried August Bürger | August Wilson | August von Mackensen | August Sander | August Heckscher | Georg August Schweinfurth | August Spies | August Neidhardt von Gneisenau | August Bournonville | August Belmont | Robert August | Oslo, August 31st | Karl August Varnhagen von Ense | Erdmann August of Brandenburg-Bayreuth | Carl August Tidemann | Bille August | August Weismann | August von Kotzebue | August Schleicher | August: Osage County | The Teahouse of the August Moon | Salomon August Andrée | Karl August von Hardenberg |