ALT Puzzle by Mark Adabashev, 1934
ALT Puzzle by Sámuel Gold, 1880
ALT Puzzle by James Brooke Halkett, 1886
ALT Puzzle by William Anthony Shinkman, 1911
ALT Puzzle by Flórián János Kovács, 1924
ALT Puzzle by Edvard Johannes Gabriel af Hällström, 1985
ALT Puzzle by Ernő Szentgyörgyi, 1927
ALT Puzzle by Yevgeny Bogdanov, 1973