Numbering consists of volume number and whole number
Vol. 76, no. 502 (May 1931) called also "Centenary number" and includes historical sketch of the Royal United Service Institution, of the Royal Navy, of the British Army, and of the Royal Air Force
Has Indexes
Vols. 1-10. 1 v. (includes index to journal under its previous title); vols. 11-20. 1 v.; vols. 21-30. 1 v.; vols. 31-50. 1 v