1. General orders. No. 18 Author(s): United States. Adjutant-General's Office, author. Publication: [Washington?] : [publisher not identified], [1861] Subject(s): Military PersonnelFinancial ManagementJurisprudenceAmerican Civil WarUnited StatesVan Bokkelen, William K.United States. Army.
2. General orders. No. 18 Author(s): United States. Adjutant-General's Office, author. Publication: [Washington?] : [publisher not identified], [1862] Subject(s): Military PersonnelClothingFood SupplyAmerican Civil WarUnited StatesUnited States. Army.
3. General orders. No. 18 Author(s): United States. Adjutant-General's Office, author. Publication: [Washington?] : [publisher not identified], [1863] Subject(s): Military PersonnelJurisprudenceAmerican Civil WarUnited StatesPorter, Fitz-John, 1822-1901.United States. Army.