• Scientific American 1897-12-25 1096 visits Scientific American 1897-12-25
  • Scientific American 1897-09-25 985 visits Scientific American 1897-09-25
  • Scientific American 1897-10-02 967 visits Scientific American 1897-10-02
  • Scientific American 1897-10-09 902 visits Scientific American 1897-10-09
  • Scientific American 1897-10-16 904 visits Scientific American 1897-10-16
  • Scientific American 1897-10-23 951 visits Scientific American 1897-10-23
  • Scientific American 1897-10-30 1111 visits Scientific American 1897-10-30
  • Scientific American 1897-11-06 1010 visits Scientific American 1897-11-06
  • Scientific American 1897-11-13 996 visits Scientific American 1897-11-13
  • Scientific American 1897-11-20 1132 visits Scientific American 1897-11-20
  • Scientific American 1897-11-27 983 visits Scientific American 1897-11-27
  • Scientific American 1897-12-11 960 visits Scientific American 1897-12-11
  • Scientific American 1897-12-04 1031 visits Scientific American 1897-12-04
  • Scientific American 1897-12-18 982 visits Scientific American 1897-12-18
  • Etude 1938-06 1227 visits Etude 1938-06
  • Etude 1944-10 2220 visits Etude 1944-10
  • Etude 1933-12 1572 visits Etude 1933-12
  • Etude 1934-03 1638 visits Etude 1934-03
  • Etude 1934-05 1216 visits Etude 1934-05
  • Etude 1935-01 1262 visits Etude 1935-01
  • Etude 1935-05 1365 visits Etude 1935-05
  • Etude 1936-01 1584 visits Etude 1936-01
  • Etude 1936-03 1539 visits Etude 1936-03
  • Etude 1936-11 1870 visits Etude 1936-11
  • Etude 1937-05 1425 visits Etude 1937-05
  • Etude 1939-02 1625 visits Etude 1939-02
  • Etude 1939-04 1863 visits Etude 1939-04
  • Etude 1944-09 2017 visits Etude 1944-09