evidence: A 1930 Commemorative Postcard: Karafuto (southern Sakhalin), Hokkaido, Honshu, Shikoku, Kyushu, Korea, Taiwan, the Kurile Islands and the Kwantung Leased Territory (southern Liaoning) with the Imperial residence (Tokyo) in the center. East Asia Image Collection, Michael Lewis Taiwan Postcard Collection, Lafayette College. [...] A decade after the rash of Taiwan punitive expedition photo albums appeared, the "Siberian Expedition" of 1919-1922, which included the occupation of northern Karafuto (a Russian territory), became a similar occasion for official and commercial photo album and postcard production. There are eight expedition photo albums housed at the Japan Camera Industry Institute (一般財団法人日本カメラ財団) in Tokyo, Japan. They contain hundreds of prints and captions of photos taken during the Japanese occupation of Northern Karafuto, probably between 1920 and 1922. These albums are about as close as one can get to a "primary source" regarding Japanese imperial postcards, because most of the original material has been lost or destroyed, or it is off-limits to researchers for proprietary reasons. Here the format of the albums: [...] In 1925, the year the Japanese forces finally left northern Sakhalin, The Government of Karafuto (on the southern part of the island) produced a photo album similar in format to the 1923 and 1924 albums referred to above: