References:
How to Make Photographs and Descriptive Price List,
Scovill Mfg. Co. (New York, NY), distributed by
C.H. Codman & Co. (Boston, MA), April 1887, p.
50
Scovill Manf'g Co. Catalogue Photographic Goods, June, 1887, David
Tucker & Co. (Buffalo, NY), June, 1887, p.62
Scovill's Photographic Series No. 26: "The Photographic Instructor",
The Scovill & Adams Co., New York, NY, copyright 1888. p.21
How to
Make Photographs and Descriptive Price List, Scovill Mfg. Co. (New
York, NY), May 1888, p. 44
How to Make Photographs and Descriptive Price List, Scovill Mfg.
Co., distributed by John Wanamaker (Philadelphia, PA), June 1888, p. 44
How to Make
Photographs and Descriptive Price List,
Scovill Mfg. Co. (New York, NY), November 1888, p. 45
How to Make Photographs and Descriptive Price List,
The Scovill & Adams
Co. (New York, NY), 1890, p. 51