Explorers of the Dawn

Originals

 * Explorers of the Dawn, first printing from February 1922
 * Explorers of the Dawn, second printing from March 1922
 * Explorers of the Dawn, third printing from May 1922
 * Explorers of the Dawn, fourth printing from January 1923, by Grosset & Dunlap

Macmillan

 * Explorers of the Dawn, printing from 1922, not labelled by month

Cassell & Company

 * Explorers of the Dawn, published by Cassell & Company in Great Britain, 1923
 * Explorers of the Dawn, published by Cassell & Company in Great Britain, 1924