1.
 |  | Title: The American Museum of Natural History Guide to Shells--Land, Freshwater, and Marine, from Nova Scotia to Florida by William K. Emerson ISBN: 0394730488 Publisher: Random House Trade Paperbacks Pub. Date: May, 1976 List Price: $8.95 Amazon.com Price: $8.95 |
2.
 |  | Title: Encyclopedia of United States Army Insignia and Uniforms by William K. Emerson ISBN: 0806126221 Publisher: Univ of Oklahoma Pr (Trd) Pub. Date: September, 1996 List Price: $135.00 Amazon.com Price: $94.50 |
3.
 |  | Title: Marksmanship in the U.S. Army: A History of Medals, Shooting Programs and Training by William K. Emerson ISBN: 0806135751 Publisher: Univ of Oklahoma Pr (Txt) Pub. Date: May, 2004 List Price: $64.95 Amazon.com Price: $64.95 |
4.
 |  | Title: Shells of the New York City area : a handbook of the land, fresh water and marine mollusks ranging form Cape Cod to Cape May by Morris K. Jacobson, William K. Emerson ISBN: B00005WTXW
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5.
 |  | Title: Shells from Cape Cod to Cape May, With Special Reference to the New York City Area by Morris K. Jacobson, William K. Emerson ISBN: 0486254194 Publisher: Dover Pubns Pub. Date: July, 1987 List Price: $4.50 Amazon.com Price: $4.50 |
6.
 |  | Title: Chevrons: Illustrated History and Catalog of U.S. Army Insignia by William K. Emerson ISBN: 0874744121 Publisher: Smithsonian Institution Press Pub. Date: January, 1988 List Price: $55.00 Amazon.com Price: $55.00 |