Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 4
Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 5
Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 6
Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 8
Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 11
Description: Volume 42 has been printed on the inner title for the year 1975. Whereas, volume 42 belongs to the publishing year 1974. Volume and issue number. Volume 42, Issue 12
Description: Pages from 9 to 16 are missing. Volume 42 has been printed on the inner title for the year 1978. Whereas, volume 42 belongs to the publishing year 1977. Volume and issue number. Volume 44, Issue 10
Description: Volume 42 has been printed on the inner title for the year 1978. Whereas, volume 42 belongs to the publishing year 1977. Volume and issue number. Volume 44, Issue 11
Description: Volume 42 has been printed on the inner title for the year 1978. Whereas, volume 42 belongs to the publishing year 1977. Volume and issue number. Volume 44, Issue 12