Books on group names

     [This is a fast-access FAQ excerpt.]
James Lipton  An Exaltation of Larks  Viking Penguin, 1991,
ISBN 0-670-3044-6
Ivan G. Sparkes  Dictionary of Collective Nouns and Group Terms
Gale, 2nd ed, 1985, ISBN 0-8103-2188-2
Rex Collins  A Crash of Rhinoceroses:  A Dictionary of Collective
Nouns  Moger Bell, 1993, ISBN 1-55921-096-6
There's an online collection at [...].
     [There are lists of collectives at
     <http://www.ojohaven.com/collectives/>
     <http://www.sonic.net/~melissk/beastly.html>
     <http://www.nzbirds.com/more/nouns.html>
     and probably many other places.]