International convention for the protection of birds

At head of title: Publication of the Royal Hungarian minister of agriculture.

Report

Cover Title: 1949-55, Bird-Protection

Bird/aircraft hazards /

Item 431-I-7.

Bird notes.

Series 2 called new series.

Bird-lore.

Vols. 7-36 include: National Audubon Society. Report, 1905-1934; v. 5-28 include: Educational leaflets; both publications were issued also separately.