Results for "United States National Museum. Division of Mineralogy and Petrology"
Letter from Herbert G. Deignan to Alexander Wetmore, December 7,1944
- Date: December 7, 1944
- Creator: Deignan, H. G (Herbert Girton) 1906-
- Creator: Deignan, H. G (Herbert Girton) 1906-
Letter from Charles G. Abbot to Captain G.T. McCourt
- Date: January 25, 1919 20th century
- Creator: Abbot, C. G (Charles Greeley) b. 1872
- Creator: Abbot, C. G (Charles Greeley) b. 1872
Baird's Collecting Policies as Assistant Secretary
- Date: October 11, 1850
Circulars for Natural History Collecting
- Date: April 1, 1855
