The study's objective was to supplement the available information regarding the development of mallet ensemble literature in the United States. Methods employed relied on historical inquiry through both quantitative and qualitative studies by pedagogues, interviews, and selected analyses of historically significant mallet ensemble compositions. Comprehensive chronological lists of mallet ensemble literature were included in the appendices. The results indicate that four definable eras emerged in the historical development of mallet ensemble literature (i.e. 1907--1929; 1930--1953; 1954--1977; 1978--2001). This study's conclusions indicate that each era identified encompassed approximately twenty-three years thus indicating a generational growth spurred by key proponents in the development of mallet ensemble literature, and further studies must be conducted to foster further awareness and growth of the mallet ensemble medium and its literature.