Hwang, Wonjae Hwang, Yin Hyacintho, Ignatio Hyam, Ronald Hyams, Edward Hyatt, A. D. [2] Hydbom, Bjorn Hyde, J. A. Lloyd [2] Hydén, Géran Hyden, Goran [17] Hyder, Qurratulain Hydraulics of Great Rivers Hyeok, Yong Kwon Hyer, Eric Hyltenstam, Kenneth Hyman, D'Arca Hyman, Jack Hyman, Larry N. Hyman, Lester S. Hymans, Jacques Louis Hynes, William G. Hyoto, João Sen-Go-No-Koe Hypolittto Hyppolite-Manigat, Mirlande Hyslop, Graham Hyslop, Jonathan [7] Hyvernat, H. [2]