Tråk af Tøndermarskens naturgeografi med særligt henblik på morfogenesen [af] N. Kingo JacobsenNiels Kingo Jacobsen · First published 1964Open the Tome
A taxonomic revision of Hordeum secalinum and H. capenseRoland von Bothmer, Niels Jacobsen · First published 1979Open the Tome
Educational research policies in European countries, 1974 surveyNiels Borch-Jacobsen · First published 1974Open the Tome
Traek af Tøndermarskens naturgeografi, med saerligt henblik pa morfogenesenNiels Kingo Jacobsen · First published 1964Open the Tome
