Sheet music cover for “Four Little Blackberries” depicting four children’s heads as berries on a branch with a border of blackberries stretching around the blue, yellow and green page.
American Vaudeville Museum Collection (MS 421), MS 365 Box 1 Folder 8, azu_ms365_b1_f8_four_little_blackberries_1907_w.pdf, courtesy of University of Arizona Libraries, Special Collections.