 Later the Curator of Birds at the London Zoo, Yealland also published on Derscheid's bird collections from notes prepared during the latter's imprisonment.From 1919 to 1922 Derscheid was enrolled in the Science Faculty of the "Université libre de Bruxelles", studying under Professor Auguste Lameere and earning a doctorate in Zoology based on his dissertation on the morphology of bird skulls ("Morphologie du squelette céphalique des oiseaux").He was awarded the gold medal of the "Concours Interuniversitaire" (1922–1924) for his thesis on bird classification as well as another on the olfactory organs of fish.