| Lost Yuma ledge | Mitchell | 1941 | 
          
                                                                                        | Lost? Don't panic, stay cool and hang on to that watch | Morgan | 1974 | 
          
                                                                                        | Lottie C. Devine, justice of the peace of 16 years |  | 1963 | 
          
                                                                                        | Lou Grubb |  | 1975 | 
          
                                                                                        | Louie Porter Horrell, 1902 | Schaus | 1965 | 
          
                                                                                        | Louis A. Packard, M.D., 1884-1965 |  | 1965 | 
          
                                                                                        | Louis Akin, artist of old Arizona | Forrest | 1956 | 
          
                                                                                        | Louis Cox: federal trapper | Shake | 1959 | 
          
                                                                                        | Louis Daniel Divelbess. 1881-1949 | Schaus | 1973 | 
          
                                                                                        | Louis J. F. Jaeger | Lockwood | 1864 | 
          
                                                                                        | Louis John Frederick Jaeger: entrepreneur of the Colorado River | Patzman | 1963 | 
          
                                                                                        | Louis M. Sands, 1875-1941 | Schaus | 1973 | 
          
                                                                                        | Louise Woodward and her Knife Wing shop |  | 1951 | 
          
                                                                                        | Love among the anthills | Mitchell | 1989 | 
          
                                                                                        | Love of desert, interest in work, create hobby |  | 1954 | 
          
                                                                                        | Love those rock lawns |  | 1961 | 
          
                                                                                        | Love, Dad | Gilbert | 1961 | 
          
                                                                                        | Love, Dad | Gilbert | 1961 | 
          
                                                                                        | Love, faith work a miracle | Sovola | 1966 | 
          
                                                                                        | Lovely lady and a ghostless ghost town | Ridgway | 1955 | 
          
                                                                                        | Lovely lady and a ghostless ghost town | Ridgway | 1955 | 
          
                                                                                        | Lovely, wonderful people...some cuckoos, too; the notable reminiscences of Phoenix impresario Mrs. Archer E. Linde | Clark | 1964 | 
          
                                                                                        | Lower Turonian (Cretaceous) ammonite from Mesa Redondo, Arizona | Breed | 1963 | 
          
                                                                                        | Lower-court unification in the American states | Gazell | 1974 | 
          
                                                                                        | Lowly earthworm conditions soil |  | 1957 | 
          
                                                                                        | Lowly earthworm conditions soil. |  | 1957 | 
          
                                                                                        | Lt. Beale and the camel caravans through Arizona | Hoffman | 1957 | 
          
                                                                                        | Lt. Luke's in the Desert, Tucson's unique sanatorium for pulmonary patients |  | 1952 | 
          
                                                                                        | Lt. Sylvester Mowry's report on his march in 1855 from Salt Lake City to Fort Tejon | Bailey | 1965 | 
          
                                                                                        | Luck of a damp Arizona wedding in 1877 | Geisler | 1961 | 
          
                                                                                        | Lucky for us all | Williams | 1974 | 
          
                                                                                        | Luis Negrete Carrada, M. D. 1891-1965 |  | 1965 | 
          
                                                                                        | Luke: "Watch for burning balloons" |  | 1973 | 
          
                                                                                        | Lumbering in the White Mountains of Arizona | Matheny | 1976 | 
          
                                                                                        | Lumbering in the White Mountains of Arizona, 1919-1942 | Matheny | 1976 | 
          
                                                                                        | Lumbering in the White Mountains of Arizona, 1919-1942 | Matheny | 1976 | 
          
                                                                                        | Lummis as war correspondent in Arizona |  | 1965 | 
          
                                                                                        | Lummis as war correspondent in Arizona |  | 1965 | 
          
                                                                                        | Lummis on Hopi Indian treatment |  | 1903 | 
          
                                                                                        | Lunar living | Fleischman | 1976 | 
          
                                                                                        | Lung cancer | Weinrach | 1975 | 
          
                                                                                        | Lupine leads the floral pageant | Beal | 1948 | 
          
                                                                                        | Lure for wildlife | Riddell | 1949 | 
          
                                                                                        | Lure of cowboy life brought Boies to West | Johns | 1965 | 
          
                                                                                        | Lure of the Superstitions | Charles | 1953 | 
          
                                                                                        | Luxury unlimited |  | 1948 | 
          
                                                                                        | Lying waters; he who drinks of the sleek Hassayampa, pioneers of Arizona insist, can never tell the truth again | Connell | 1932 | 
          
                                                                                        | Lyman Dam, monument to Mormon pioneer courage and industry | Measeles | 1965 | 
          
                                                                                        | Lyman Lake |  | 1963 | 
          
                                                                                        | Lyman Peace, Gila County Sheriff |  | 1974 | 
          
                                                                                        | Lynching of Russian Bill and Sandy King in 1881 | King |  | 
          
                                                                                        | Lynching of Russian Bill and Sandy King in 1881 | King |  | 
          
                                                                                        | Lynn Cool, fifth man to complete big ten |  | 1961 | 
          
                                                                                        | Lynn Earley retires as parole clerk at Arizona State Prison |  | 1962 | 
          
                                                                                        | Lynx Lake | Moyer | 1968 |