File Other In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs
File City scenes (various unidentified), undated Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Cobb family residence in Falls Church, Virginia, circa 1910s-1930s Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Insects (various), undated Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Laboratory interiors (various, unidentified), undated Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Photomicrograph, undated Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Steam ship (unidentified), undated Box 20 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Photographs » Other
File Positive glass plate images In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials
File 3" by 4", circa 1890-1930 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Positive glass plate images
File Aleuron cells 3 plates Box 21 In: Blanchard Family Papers, circa 1835-circa 2000 » Nathan A. Cobb » Visual Materials » Positive glass plate images » 3" by 4", circa 1890-1930