Some of the groups may be families, friends, social clubs, romantic couples, or siblings.

Two of the men in the mixed group portrait in Box 71, Folder 41 are also posed together in the portrait in Box 68, Folder 35. The portrait of two men and two women in Box 71, Folder 42 is dated February 6, 1882. Swimming suits are worn on subjects in Box 71, Folders 43-45. Identical portraits are in Box 71, Folders 65-66; folders 67-68; and folders 69-70.