Issue No. 3 is given on the inner title but as it was published in 1967 and is a part of series of volume 66 and issue 5. Volume and issue number: Volume 66, Issue 3 / Volume 66, Issue 3.
Volume 23 and Issue No.7 is given on the inner title but mistakenly Issue No. 3 given by the person who digitized this issue. Volume and issue number: Volume 23, Issue 3 / Volume 23, Issue 3.