NMB Booklet by Martina Kramers
Wat wil het Nieuw-Malthusianisme?
2e dr, Amsterdam, Ontwikkeling, 1929
Bro N 560/86A
This booklet was first published in 1925. The 2nd ed. was published after the NMB lost Royal Approval. In her introduction Kramers announces that the NMB will continue its necessary and useful activities.