I have seen Hughes and Lester's book cited for descriptions of bone and
horn button manufacturing processes:
 
Hughes, Elizabeth and Marion Lester
1981  "The Big Book of Buttons".  Boyerstown Publishing Company.
Boyerstown, Pennsylvania.
 
and I found this listed at http://world.std.com/~ata/drbiblo.html (The
site is titled "Books, Articles, and Dissertations on Clothing,
1840-1865" by Vicki Betts, and this particular reference was found in
the "Jewelry and Chatelaines" section)
 
Musser, Mary
"Massachusetts Horn Smiths: A Century of Comb-making, 1775-1875,"
Old-Time-New England 58, iii-iv, 59-68.
 
Betsy Cassebeer
[log in to unmask] (personal)
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"For what do we live, but to make sport for our neighbours, and laugh at
them in our turn?"  Jane Austin "Pride and Prejudice"
 
 
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