Dugan J. World Beneath the Sea / James Dugan, Robert C. Cowen, Bill Barada and other ; Illustrations and Design: David R. Bridge, Joseph A. Taney, Josephine B. Bolt. — Washington, D.C. : National Geographic Society, 1967. — 203 p.
Анотація: Author James Dugan, before his death on June 1, 1967, devoted more than two decades to intensive study of the ocean. World Beneath the Sea, his last book, opens for you a treasure chest of informayion. You will marvel at towering moutains and plunging trenches, great basins and abyssal plains. You will see underwater creatures beautiful and bizarre, and share the thrill offinding treasure buried in darkness for centuries.