This subsubseries comprises reproductions of works of art on aviation themes by 20th-century artists. It is arranged alphabetically by artist. The bulk of the materials consists of reproductions of paintings by Charles H. Hubbell, published by Thompson Products, an aircraft parts supplier in Cleveland, Ohio, and sponsor of the Thompson Flying Trophy. The materials were published in portfolios, most commonly of 12 prints. The portfolios are arranged chronologically, by date of event pictured, from famous civilian airplanes, 1903-1914, to U.S. World War II military aircraft. Other materials include 13 hand-colored pochoir prints, 1908-1910, by French artists Ernest Montaut and his wife Marguerite Montaut (who also signed her work as "Gamy"); a portfolio of paintings by Arthur Beaumont of U.S. World War II warships under aerial attack; a painting of aerial combat signed "Henri Farré, 1915"; four watercolors by Albert Leroux on French ballooning, 1783-1864; an album of illustrations by Henry B. Maas, Airplanes in action, circa 1934; and Stratford Edward St. Leger's painting, "War balloon on the march", circa 1900.