The following volumes contain copies of mixed outgoing correspondence from Daniel Brockway and Albert Brockway, as well as outgoing business correspondence from the store of D.D. Brockway & Son. A letterpress volume of Brockway’s Cliff Mine activities in 1880 is filed as item #4053 in the Roy Drier Collection (MS-020), and Brockway’s diaries for 1866 and 1867 are filed with The Brockway Diary Collection (MS-010).