Johnson, A. (1911). The Swedish settlements on the Delaware: Their history and relation to the Indians, Dutch and English, 1638-1664, with an account of the South, the New Sweden, and the American companies and the efforts of Sweden to regain the colony. [Philadelphia] New York: University of Pennsylvania; D. Appleton & company, agents.

Johnson, Amandus. The Swedish Settlements On the Delaware: Their History and Relation to the Indians, Dutch and English, 1638-1664, With an Account of the South, the New Sweden, and the American Companies and the Efforts of Sweden to Regain the Colony. [Philadelphia] New York: University of Pennsylvania; D. Appleton & company, agents, 1911.

Johnson, Amandus. The Swedish Settlements On the Delaware: Their History and Relation to the Indians, Dutch and English, 1638-1664, With an Account of the South, the New Sweden, and the American Companies and the Efforts of Sweden to Regain the Colony. [Philadelphia] New York: University of Pennsylvania; D. Appleton & company, agents, 1911.