Earle K. Bergey expanding paperback book industry along with skilled pulp artists like Rudolph Belarski, whose work is often confused with Bergey's. While continuing to paint pulp covers until his death, Bergey sold illustrations to at least four (4) leading paperback publishing houses, including Popular Library and Pocket Books. His art graced the covers of dozens of novels and helped to sell millions of volumes. His paperback cover illustrations were as diverse as his work for the pulps. In addition to his work on Anita Loos' famous "Gentlemen Prefer Blondes", Bergey painted cover art for well-known authors from Émile Zola to the Western
Anita Loos Mizner. When they returned to New York in the spring of 1930, Emerson expressed his unhappiness at her inattention, and the guilt-ridden Loos would spend much more time alone. Emerson had also unwisely invested "their" money, which was lost in the stock market crash, and suggested she return to work. Loos was not unhappy with this, and within a few months had produced a stage adaptation of "But Gentlemen Marry Brunettes" and a comedy "Cherries are Ripe". With their income reduced, the couple moved to a residential hotel and did less traveling in 1931. Not long after, Loos came upon