Ger van Roon: Small States in Years of Depression. The Oslo Alliance 1930-1940. Van Gorcurm, Assen/Maastricht, The Netherlands. 1989. 382 s.

Karup Pedersen, O. (1991). Ger van Roon: Small States in Years of Depression. The Oslo Alliance 1930-1940. Van Gorcurm, Assen/Maastricht, The Netherlands. 1989. 382 s. Historisk Tidsskrift, 15. Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/53365