References: International Hydrological Decade/Programme

UNESCO. “Proposals for an International Hydrological Decade.” UNESCO, April 8, 1963.
Nace, R. L. “The International Hydrological Decade.” Eos, Transactions American Geophysical Union 45, no. 3 (September 1, 1964): 413–21. https://doi.org/10.1029/TR045i003p00413.
“International Symposium to Commemorate 25 Years of the IHD,” n.d.
Nace, Raymond L. Water and Man: A World View; the International Hydrological Decade. Unesco and Its Programme. Paris: Unesco, 1969.
“International Conference on the Practical and Scientific Results of the IHD and on International Cooperation in Hydrology, Paris, 8-16 December, 1969: Final Report,” 1970.
Nace, Raymond L. “Status of the International Hydrological Decade.” Journal (American Water Works Association) 57, no. 7 (1965): 819–23. http://www.jstor.org/stable/41264493.