1. Marriage treaty Creator: From the Collection: Koch, Frederick R. (Frederick Robinson) Published / Created: 1816 Mar-May Call Number: GEN MSS 601 Container / Volume: Box 26, folder 567 Image Count: 11 Found in: Beinecke Rare Book and Manuscript Library > Frederick R. Koch collection (GEN MSS 601) > Alphabetical Name List > Léopold I, King of the Belgians > OTHER PAPERS > Marriage treaty