2.)Birds Alan Harris (Herausgeber) Dk Pub (T), 1995 [gebunden]
3.)Birds of Africa South of the Sahara Patrice Christy, Phil Hockey, Peter Ryan, Ian Sinclair, Norman Arlott (Illustrator), Alan Harris (Illustrator), Peter Hayman (Illustrator) Random House Struik, 2008 [Paperback]
4.)Birds of Africa South of the Sahara [Princeton Field Guides] Peter Ryan, Ian Sinclair, Norman Arlott (Illustrator), Alan Harris (Illustrator), Peter Hayman (Illustrator) Princeton University Press, 2004 [Paperback]
7.)Die Greifvögel der Welt Philip Burton (Illustrator), Kim Franklin (Illustratorin), Alan Harris (Illustrator), David Mead (Illustrator), Volker Dierschke (Übersetzer), Jochen Dierschke (Übersetzer), David Christie (Autor), James Ferguson-Lees (Autor) Kosmos (Franckh-Kosmos), 2009 [Erste Auflage, gebunden]
12.)Finches & Sparrows Peter Clement, John Davis (Illustrator), Alan Harris (Illustrator) Princeton University Press, 1994 [Erste Auflage, gebunden]
13.)Finches and Sparrows [Helm Field Guides] Peter Clement, John Davis, Alan Harris Christopher Helm Publishers, 1993 [gebunden]
14.)Finches and Sparrows Peter Clement, John Davis (Illustrator), Alan Harris (Illustrator) Princeton University Press, 1999 [Paperback]
15.)Finches and Sparrows [Helm Identification Guides] Peter Clement, John Davis (Illustrator), Alan Harris (Illustrator) Christopher Helm Publishers, 1999 [Paperback]
16.)Garden Birds Handbook Duncan Brewer, Alan Harris Miles Kelly Publishing, 2003 [Spiralbindung]
19.)Kingfishers, Bee-eaters and Rollers [Helm Identification Guides] Kathie Fry, C. H. Fry, Alan Harris (Illustrator) Christopher Helm Publishers, 1999 [Paperback]
26.)Solar System Arnold O. Benz (Autor), Eberhard Grün (Autor), Alan Harris (Autor), Peter Hoppe (Autor), Berndt Klecker (Autor), Irene Mann (Autorin), Herbert Palme (Autor), Rita Schulz (Autorin), Joachim E. Trümper (Autor) Springer, Berlin, 2009 [Erste Auflage, gebunden]
27.)Sylvia Warblers Gabriel Gargallo, Andreas Helbig, Hadoram Shirihai, Guy M. Kirwan (Herausgeber), Lars Svensson (Herausgeber), David Cottridge (Fotograf), Alan Harris (Illustrator) Princeton University Press, 2001 [gebunden]
28.)Sylvia Warblers [Helm Identification Guides] David Cottridge, Gabriel Gargallo, Alan Harris, Andreas Helbig, Hadoram Shirihai Christopher Helm Publishers, 2001 [gebunden]
29.)The Goshawk Robert Kenward, Alan Harris (Illustrator) T. & A. D. Poyser, 2006 [gebunden]
32.)The Handbook of Bird Identification [Helm Identification Guides] Mark Beaman, Steve Madge, Hilary Burn (Illustratorin), Martin Elliott (Illustrator), Alan Harris (Illustrator), Peter Hayman (Illustrator), Laurel Tucker (Illustrator/-in), Dan Zetterstrom (Illustrator) Christopher Helm Publishers, 1998 [gebunden]
33.)Vogelbestimmung für Fortgeschrittene Alan Harris (Autor), Laurel Tucker (Autor/-in), Keith Vinicombe (Autor) Kosmos (Franckh-Kosmos), 1991 [gebunden]