Old photography studios關於「Early 20th century photographers」標籤，搜尋引擎有相關的訊息討論：
An introduction to photography in the early 20th century - Smarthistorysmarthistory.org › an-introduction-to-photography-in-the-...Twentieth-Century Photography | Art History Teaching Resourcesarthistoryteachingresources.org › lessons › twentieth-centu...Kodak and the Rise of A