The History of Costume
This website presents online, the entire "500 costume designs" from the book, The History of Costume ("printed from 1861 to 1880"), which has been translated into English from its original German. "These...[designs] consist...of historical dress from antiquity to the end of the 19th century" and "provide a source for researching plays which take place during the Victorian period, such as 'The King and I' or 'The Sea Gull'."