. . . . "Records and correspondence"@en . . . . . . . . . . "Brothers of the Spade. Correspondence of Peter Collinson, of London, and of John Custis, of Williamsburg, Virginia, 1734-1746. [Edited, with an introduction and notes, by Earl G. Swem. With portraits.]" . . "Brothers of the spade; correspondence of Peter Collinson, of London, and of John Custis, of Williamsburg, Virginia, 1734-1746"@en . . "Brothers of the spade correspondence of Peter Collinson, of London, and of John Custis, of Williamsburg, Virginia, 1734-1746"@en . . . . . "Brothers of the spade : correspondence of Peter Collinson, of London, and of John Custis, of Williamsburg, Virginia, 1734-1746"@en .