CATE TEN CGB & COUL OP DE PG The avifauna of Urk [samenvatting] [summary] [free pdf]
WALDECK K About the time of pickup lapwingeggs, Vanellus vanelus (l), and some biological peculiarities of this bird [samenvatting] [summary] [free pdf]
VRIES DE TG Ornithological facts of previous centuries I [samenvatting] [summary] [free pdf]
MARLE JG VAN The Dutch Eurasian Oystercatcher, Haematopus ostralegus [samenvatting] [summary] [free pdf]
KOCH JC Short announcements: November observation of a Blue-headed Wagtail Motacilla flava [samenvatting] [summary] [free pdf]
EYKMAN C Meeting in Amsterdam Zoo on January 29, 1933 [samenvatting] [summary] [free pdf]
VRIES DE TG Necrology [samenvatting] [summary] [free pdf]
literature [samenvatting] [summary] [free pdf]
Limosa Index 1932 [samenvatting] [summary] [free pdf]
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