Abert, John James 1788-1863 creator mixed material monographic eng 2 Printed circular (1840 April 29) signed by Abert and a letter (1851 March 28) written by Abert, while serving as chief of the U.S. Army Corps of Topographical Engineers, to Alexander H. H. Stuart discussing personnel matters. Open to research. Topographical engineer. Collection material in English. Forms part of: Miscellaneous Manuscripts collection. Stuart, Alexander H. H. (Alexander Hugh Holmes) 1807-1891 Correspondence United States. Army. Corps of Topographical Engineers. Topographical engineers mm 78000044 Open to research. DLC 781212 20260227111619.0 mm 78000044