1
by Potter, P. E., Pettijohn, F. J.
Published 1977
Springer Berlin Heidelberg

2
by Pettijohn, F. J., Potter, P. E.
Published 1964
Springer Berlin Heidelberg

3
by Potter, P. E., Pettijohn, F. J.
Published 1963
Springer Berlin Heidelberg

4
by Pettijohn, F. J., Potter, P. E., Siever, R.
Published 1972
Springer New York

5
by Pettijohn, F. J., Potter, Paul E., Siever, Raymond
Published 1987
Springer New York