Colorado books SUMMERING IN COLORADO, published by Richards & Co., Denver, Colorado Territory, 1874, with 14 original Joseph Collier albumen photographs. More Details COLORADO BRAND BOOKs 1948, set of three, published by the State of Colorado, Denver, Colorado (1948, 1951 & 1954) More details COLORADO BRAND BOOK, 1914, published by The Denver Record-Stockman, Denver, Colorado, 1914. More Details