 From January 1 to May 1, 1930, the president and director undertook a second mission to the park in Congo to prepare for international collaboration and to research other areas of the colony in which new reserves could be established.In November and December 1930, Derscheid traveled to the United States, attending conferences at various institutions to promote the Albert National Park and its opportunities for scientific research as well as to generate financial support.He resigned in December 1933, after administrative conflicts arose over bookkeeping errors, and devoted himself to teaching biology at the "Université coloniale" at Antwerp, where he had been named Professor on January 14, 1930.