Columbia subject headings:
Civil service--United States--Personnel management--Handbooks, manuals, etc.
United States. Army. Corps of Engineers--Officials and employees--Handbooks, manuals, etc.
United States. Army. Corps of Engineers--Reorganization--Handbooks, manuals, etc.
Harvard subject headings:
Civil service--United States--Personnel management--Handbooks, manuals, etc.
United States. Army. Corps of Engineers--Officials and employees--Handbooks, manuals, etc.
United States. Army. Corps of Engineers--Reorganization--Handbooks, manuals, etc.
Princeton subject headings: