Combined issue for the months of January and February 1960. Volume 77 is given on the inner title but as it was published in 1959 and is a part of series 81 instead of 77. Volume and issue number: Volume 77, Issue 1-2 / Volume 77, Issue 1-2.
Volume 77 is given on the inner title but as it was published in 1959 and is a part of series volume 81 instead of 77. Volume and issue number: Volume 77, Issue 3 / Volume 77, Issue 3.
Volume 77 is given on the inner title but as it was published in 1959 and is a part of series volume 81 instead of 77. Volume and issue number: Volume 77, Issue 4 / Volume 77, Issue 4.
Volume 77 is given on the inner title but as it was published in 1959 and is a part of series volume 81 instead of 77. Volume and issue number: Volume 77, Issue 5 / Volume 77, Issue 5.
Volume 77 is given on the inner title but as it was published in 1959 and is a part of series volume 81 instead of 77. Volume and issue number: Volume 77, Issue 6-7 / Volume 77, Issue 6-7.