1971
Gerdts, William H., Dr. and Mrs., 1977
Gerdts, William H., Dr. and Mrs., 1969
Inc. The Print Mint, 1971
Gerdts, William H., Dr. and Mrs., 1971
Inc. The Print Mint, 1969
Gerdts, William H., Dr. and Mrs., 1777
Gerdts, William H., Dr. and Mrs., 1865
Inc. The Print Mint, 1970
Gerdts, William H., Dr. and Mrs., 1890
Gerdts, William H., Dr. and Mrs., 1907
