Archived copy of Proceedings of the Indiana Academy of Science, 1980, Volume 90.
Archived copy of Proceedings of the Indiana Academy of Science, 1979, Volume 89
Archived copy of Proceedings of the Indiana Academy of Science, 1978, Volume 88.
Archived copy of Proceedings of the Indiana Academy of Science, 1977, Volume 87.
Archived copy of Proceedings of the Indiana Academy of Science, 1976, Volume 86.
Archived copy of Proceedings of the Indiana Academy of Science, 1975, Volume 85.
Archived copy of Proceedings of the Indiana Academy of Science, 1974, Volume 84.
Archived copy of Proceedings of the Indiana Academy of Science, 1973, Volume 83.
Archived copy of Proceedings of the Indiana Academy of Science, 1972, Volume 82.
Archived copy of Proceedings of the Indiana Academy of Science, 1971, Volume 81, including Index to Vol 71 - 80.