v.5 (1945) - Check-list of birds of the world - Biodiversity

The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community.

Check-list of birds of the world : Peters, James Lee, 1889-1952 : Free Download, Borrow, and Streaming : Internet Archive

HSC Glossary - Cornell Lab of Ornithology - Cornell University

v.1:ed.2 (1979) - Check-list of birds of the world - Biodiversity Heritage Library

v.1 (1931) - Check-list of birds of the world - Biodiversity Heritage Library

v.5 (1945) - Check-list of birds of the world - Biodiversity Heritage Library

v.10 (1964) - Check-list of birds of the world - Biodiversity Heritage Library

Seeing birds and biodiversity through science and art: An integrated community education program « Journal of Sustainability Education

A Study of Biodiversity in the World's Cities – The Nature of Cities

Sulawesi Dwarf-Kingfisher - Ceyx fallax - Birds of the World

Where have all the grouse ticks gone? Apparent decline in collections of Haemaphysalis chordeilis Packard - ScienceDirect