One long argument
One long argument: Charles Darwin and the genesis of modern evolutionary thought Ernst Mayr
Publisher: Cambridge, Mass. : Harvard University Press, 1991.
ISBN: 0674639057
DDC: 575
LCC: QH371
Edition: (alk. paper)
Evolution and classification
Evolution and classification: the reformation of cladism Mark Ridley
Publisher: London ; Longman, 1986.
ISBN: 0582444977
DDC: 575
LCC: QH83
Edition: (pbk.) :£6.95