[en] [Gutenberg 34591] • Clue of the Silken Ladder Cupples & Leon
[en] [Gutenberg 7027] • A Hive of Busy Bees Sure Foundation
[en] [Gutenberg 44133] • The Girl Warriors: A Book for Girls David C. Cook Publishing Company
[en] [Gutenberg 13997] • Real Folks Kessinger Publishing
[en] [Gutenberg 22912] • Phyllis: A Twin Barse & Hopkins
[en] [Gutenberg 38834] • The Twins in the South Grosset & Dunlap
[en] [Gutenberg 20837] • Peggy in Her Blue Frock BiblioBazaar
[en] [Gutenberg 53166] • Dick and Dolly New York: Grosset & Dunlap, 1909
[en] [Gutenberg 45802] • Knock Three Times! Wordsworth Editions
[en] [Gutenberg 45174] • Dorothy Dixon Wins Her Wings Kessinger Publishing
[en] [Gutenberg 45417] • Dorothy Dixon Solves the Conway Case Goldsmith
[en] [Gutenberg 44782] • Dorothy Dixon and the Mystery Plane Kessinger Publishing
[en] [Gutenberg 33554] • Nancy of Paradise Cottage Goldsmith Publishing Company
[en] [Gutenberg 30146] • What She Could Kessinger Publishing