この著作物はアメリカ議会図書館Detroit Publishing Co.のコレクション収蔵品です。同図書館によれば、この著作物の使用に関しては著作権に依拠する如何なる制限事項も認められません。 Most of the images in this collection were published before 1929 and are therefore in the public domain in the United States. A few images were published after this date and may be restricted by copyright.