Limosa Index
[free pdf]

VRIES V DE Contribution to the transport biology of plant seeds, following material from stomachs of ducks, from Vlieland and Terschelling
[samenvatting] [summary] [free pdf]

MARLE JG VAN Notes on the birds of Minihasa (North East Celebes) II
[samenvatting] [summary] [free pdf]

JUNGE GCA Results of the collaborative study on bird migration, established by the National Museum of Natural History in Leiden, XXVII
[samenvatting] [summary] [free pdf]

KATE CGB TEN Ornithology of the Netherlands, 1940, second notice
[samenvatting] [summary] [free pdf]

VRIES TG DE Oölogische and nidologische communications: 1940, 2, White Stork, European Turtle Dove, White Wagtail
[samenvatting] [summary] [free pdf]

TEKKE MJ Short announcements: Insect-eating gulls
[samenvatting] [summary] [free pdf]

RUITER H Short announcements: Great mortality among young black terns Chlidonias n. niger by bad weather
[samenvatting] [summary] [free pdf]

WIGMAN AB Short announcements: European Goldfinch crossed with Eurasian Siskin
[samenvatting] [summary] [free pdf]

EYKMAN C Annual Report 1939
[samenvatting] [summary] [free pdf]

EYKMAN C Meeting in Amsterdam Zoo on January 28, 1940
[samenvatting] [summary] [free pdf]

KLEIJN LJ & TEKKE MJ Obituary. J.C. Koch, P.L. Steenhuizen, F.C. van Heurn
[samenvatting] [summary] [free pdf]

VRIES TG DE Literature: W.K. Kraak. 1940. Vogeltrek in de oudheid, in het bijzonder bij Aristoteles
[samenvatting] [summary] [free pdf]

VRIES TG DE Literature: A.B. Wigman. De Vogels van heide en stuifzand
[samenvatting] [summary] [free pdf]