 | 1975 - Liczba stron: 738
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1974 - Liczba stron: 1114
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1974 - Liczba stron: 892
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1973 - Liczba stron: 1148
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1973 - Liczba stron: 1052
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1972 - Liczba stron: 1082
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1972 - Liczba stron: 1070
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1971 - Liczba stron: 916
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1971 - Liczba stron: 1116
Vols. for 1919- include an Annual statistical issue (title varies). | |
 | 1970 - Liczba stron: 842
Vols. for 1919- include an Annual statistical issue (title varies). | |
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