Birds of the world: a checklist. English name index and Supplement No. 1.
Vista. Ibis, 1992. Octavo, paperback. Supplement No. 2 (10 loose pages) is available free with Supplement No. 1. More
Vista. Ibis, 1992. Octavo, paperback. Supplement No. 2 (10 loose pages) is available free with Supplement No. 1. More