He married Mary M. Sisler on February 18,1946, who was also a malacologist.
She was also a malacologist. He married Mary M. Sisler on February 18,1946.
He married Mary M. Sisler on February 18,1946. She was also a malacologist.
He married Mary M. Sisler on February 18,1946. She was also a malacologist.