1911 Encyclopædia Britannica, Volume 27… (1911)
“ Small as the regular force has always been, its organization has been altered some two score of times in all. The law for its organization in force in 1910 provides that the total enlisted strength shall not at any one time exceed 100,000. The full active force of the present organization is as follows: 15 regiments of cavalry, with 765 officers and 13,155 enlisted men ”
