1975–1976
Gerdts, William H., Dr. and Mrs., 1828
Gerdts, William H., Dr. and Mrs., 1970
Gerdts, William H., Dr. and Mrs., 1971
Gerdts, William H., Dr. and Mrs., 1972
Gerdts, William H., Dr. and Mrs., 1863
Gerdts, William H., Dr. and Mrs., 1908
Gerdts, William H., Dr. and Mrs., 1839
Gerdts, William H., Dr. and Mrs., 1884
