Grzimek's Animal Life Encyclopedia: Extinction - c2013, 2 volumes
Grzimek's Animal Life Encyclopedia - c2003, 2nd edition, 17 volumes
Oxford Bibliographies - Ecology - Over 100 bibliographies in the area of ecology.
Oxford Bibliographies - Evolutionary Biology - Over 60 bibliographies related to evolutionary biology.
Ainsworth & Bisby's Dictionary of the Fungi by DL Hawksworth, PM Kirk, BC Sutton, and DN Pegler. A well-known reference work on fungi, now in its 10th edition (c2008) and first published in 1943, providing definitions or explanations for terms and generic names of interest to mycologists. Coverage is of fungi, lichens, mushrooms, slime moulds, water moulds, and yeasts. Most entries include literature references. This edition contains a key to fungal families. A tribute to Ainsworth and his 60-year career appeared in Mycologia 91(4):714-719 July-August 1999. c2008 location
Bradley Bibliography: a guide to the literature of the woody plants of the world published before the beginning of the Twentieth Century by Alfred Rehder (Publications of the Arnold Arboretum, no. 3). This is a 5-volume set consisting of references to literature (books, pamphlets, articles) on woody plants, from any language through 1900. Entries are arranged by volumes 1 and 2: dendrology, 3: arboriculture, 4: forestry and volume 5 contains an author, title and keyword index. c1911-1918 location
Encyclopedia of Evolution. 2-volume work from Oxford University Press, 2012. 370 entries, great reviews. Also held in print (Library Shelving Facility).