Archived copy of Proceedings of the Indiana Academy of Science, 1961, Volume 71, including Index to Vol 61 - 70.
Archived copy of Proceedings of the Indiana Academy of Science, 1960, Volume 70.
Archived copy of Proceedings of the Indiana Academy of Science, 1959, Volume 69.
Archived copy of Proceedings of the Indiana Academy of Science, 1958, Volume 68.
Archived copy of Proceedings of the Indiana Academy of Science, 1956, Volume 66.
Archived copy of Proceedings of the Indiana Academy of Science, 1955, Volume 65.
Archived copy of Proceedings of the Indiana Academy of Science, 1954, Volume 64.
Archived copy of Proceedings of the Indiana Academy of Science, 1953, Volume 63.
Archived copy of Proceedings of the Indiana Academy of Science, 1952, Volume 62.
Archived copy of Proceedings of the Indiana Academy of Science, 1951, Volume 61, including Index to Vol 51 - 60.