Peters Checklist of the Birds of the World is complete in 16 volumes, published by the Harvard Museum of Comparative Zoology from 1934-1987. This volume includes: Struthioniformes, Tinamiformes, Procellariiformes, Sphenisciformes, Gaviiformes, Podicipediformes, Pelecaniformes, Ciconiiformes, Phoenicopteriformes, Falconiformes, Anseriformes. This is the only volume in the series that was published in a second edition.