- Arnold, Dean Edward, 1966, Marking fish with dyes and other chemicals: U.S. Fish and Wildlife Service Technical Paper 10, 44 p. ; 26 cm.,
- Bowen, J. T., 1966, Parasites of freshwater fish; IV, Miscellaneous; 4, Parasitic copepods Ergasilus, Achtheres, and Salmincola: U.S. Fish and Wildlife Service Fish Disease Leaflet 4, 4 p.,
- Bowen, J. T., 1966, Parasites of freshwater fish IV: Miscellaneous; 4; Parasitic copepods Ergasilus, Achtheres, and Salmincola: U.S. Fish and Wildlife Service Fish Disease Leaflet 4, 4 p.,
- Bowen, J. T.; Putz, R. E., 1966, Parasites of freshwater fish; IV, Miscellaneous; 3, Parasitic copepod Argulus: U.S. Fish and Wildlife Service Fish Disease Leaflet 3, 4 p.,
- Bowen, J. T.; Putz, R. E., 1966, Parasites of freshwater fish IV: Miscellaneous: 3: Parasitic copepod Argulus: U.S. Fish and Wildlife Service Fish Disease Leaflet 3, 4 p.,
- Cable, Louella E., 1966, Plankton: U.S. Fish and Wildlife Service Fishery Leaflet 583, 13 p.,
- Chamberlain, E.B.;Kaczynski, C.F., 1966, Problems in aerial surveys of waterfowl in eastern Canada: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 93, 21,
- compiled by Hansen, Henry A.; Hudgins, Mildred R., 1966, Waterfowl status report, 1966: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 99, 96 p.,
- Croce, Norberto Della, 1966, Observations on the marine cladoceran Penilia avirostris in northwestern Atlantic waters: U.S. Fish and Wildlife Service Technical Paper 3, 37 p. : ill. ; 26 cm.,
- Division Of Management And Enforcement, 1966, Birds protected by Federal law.: U.S. Fish and Wildlife Service Wildlife Leaflet 472, 4 p.,
- Division Of Wildlife Research, 1966, Big game inventory for 1965.: U.S. Fish and Wildlife Service Wildlife Leaflet 473, 4 p.,
- Division Of Wildlife Research, 1966, Fur catch in the United States, 1965.: U.S. Fish and Wildlife Service Wildlife Leaflet 474, 4 p.,
- Dupree, Harry K., 1966, Vitamins essential for growth of channel catfish: U.S. Fish and Wildlife Service Technical Paper 7, 14 p. : ill. ; 26 cm.,
- Dupree, Harry K.; Sneed, Kermit E., 1966, Response of channel catfish fingerlings to different levels of major nutrients in purified diets: U.S. Fish and Wildlife Service Technical Paper 9, 14 p. : ill. ; 26 cm.,
- Elliott, Joseph W.; Fowler, Laurie G.; Burrows, Roger E., 1966, Effects of age, growth, and diet on characteristics of salmon fingerlings: U.S. Fish and Wildlife Service Technical Paper 8, 14 p. : ill. ; 26 cm.,
- Fowler, Laurie G.; McCormick, J. Howard, Jr.; Thomas, Allan E., 1966, Studies of caloric and vitamin levels of salmon diets: U.S. Fish and Wildlife Service Technical Paper 6, 14 p. : ill. ; 26 cm.,
- Gaylord, W. E.; Smith, B. R., 1966, Treatment of East Bay, Alger County, Michigan with toxaphene for control of sea lampreys: U.S. Bureau of Sport Fisheries and Wildlife Investigations in Fish Control -, 7,
- Gaylord, William E.; Smith, Bernard R., 1966, Treatment of East Bay, Alger County, Michigan, with toxaphene for control of sea lampreys: U.S. Fish and Wildlife Service Investigations in Fish Control 7, 7 p.,
- Goudy, W.H.;Martin, F.W., 1966, Woodcock status report, 1965: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 92, 43,
- Goudy, William H.; Martin, Fant W., 1966, Woodcock status report, 1965: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 92, 43 p.,
- Henegar, D., 1966, Minimum lethal levels of toxaphene as a piscicide in North Dakota lakes: U.S. Bureau of Sport Fisheries and Wildlife Investigations in Fish Control 3, 16,
- Henegar, Dale L., 1966, Minimum lethal levels of toxaphene as a piscicide in North Dakota lakes: U.S. Fish and Wildlife Service Investigations in Fish Control 3, 16 p.,
- Hile, Ralph, 1966, U.S. Federal research on fisheries and limnology in the Great Lakes through 1964: an annotated bibliography: U.S. Fish and Wildlife Service Special Scientific Report- Fisheries 528, 53 p.,
- Kawamura, Teruyoshi, 1966, Distribution of phytoplankton populations in Sandy Hook Bay and adjacent areas in relation to hydrography conditions in June 1962: U.S. Fish and Wildlife Service Technical Paper 1, 37 p. : ill. ; 26 cm.,
- Krefting, L. W.; Lee, F. B.; Shelton, P. C.; Gilbert, K. T., 1966, Birds of Isle Royale in Lake Superior: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 94, 56 pp.,
- Krefting, Laurits W.; Lee, Forrest B.; Shelton, Philip C.; Gilbert, Karl T., 1966, Birds of Isle Royale in Lake Superior: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 94, 56 p.,
- Mahdi, M. A., 1966, Mortality of some species of fish to toxaphene at three temperatures: U.S. Bureau of Sport Fisheries and Wildlife Investigations in Fish Control 6, 10,
- Mardi, Mahmoud Ahmed, 1966, Mortality of some species of fish to toxaphene at three temperatures: U.S. Fish and Wildlife Service Investigations in Fish Control 6, 10 p.,
- Marking, L. L., 1966, Evaluation of p,p‘-DDT as a reference toxicant in bioassays: U.S. Bureau of Sport Fisheries and Wildlife Investigations in Fish Control 10, 10,
- Marking, Leif L., 1966, Evaluation of p,p‘-DDT as a reference toxicant in bioassays: U.S. Fish and Wildlife Service Investigations in Fish Control 10, 10 p.,
- Martinson, R. K.; Rosasco, M. E.; Martin, E. M.; Smart, M. G.; Carney, S. M.; Kaczynski, C. F.; Geis, A. D., 1966, 1965 experimental September hunting season on teal: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 95, 36 p.,
- Martinson, R.K.;Rasasco, M.E.;Martin, E.M;Smart, M.G.;Carney, S.M.;Kaczynski, C.F.;Geis, A.D., 1966, 1965 experimental September hunting season on teal: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 95, 36,
- Meanley, B.;Mitchell, R.T., 1966, Selected bibliography on the red-winged blackbird: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 97, 12,
- Meanley, Brooke; Mitchell, Robert T., 1966, Selected bibliography on the red-winged blackbird: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 97, 12 p.,
- Meehan, W. R.; Sheridan, W. L., 1966, Effects of toxaphene on fishes and bottom fauna of Big Kitoi Creek, Afognak Island, Alaska: U.S. Bureau of Sport Fisheries and Wildlife Investigations in Fish Control 8, 8,
- Meehan, William R.; Sheridan, William L., 1966, Effects of toxaphene on fishes and bottom fauna of Big Kitoi Creek, Afognak Island, Alaska: U.S. Fish and Wildlife Service Investigations in Fish Control 8, 9 p.,
- Menzie, C.M., 1966, Metabolism of pesticides: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 96, 274,
- Meyer, F. P., 1966, Parasites of freshwater fishes; IV, Miscellaneous; 6, Parasites of catfishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 5, 7 p.,
- Meyer, F. P., 1966, Parasites of freshwater fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 5, 6 p.,
- Needham, Robert G., 1966, Effects of toxaphene on plankton and aquatic invertebrates in North Dakota lakes: U.S. Fish and Wildlife Service Investigations in Fish Control 4, 16 p.,
- Parisot, T. J.; Wood, J. W., 1966, Fish mycobacteriosis (tuberculosis): U.S. Fish and Wildlife Service Fish Disease Leaflet 7, 2 p.,
- Regan, Danny M., 1966, Ecology of gila trout in Main Diamond Creek in New Mexico: U.S. Fish and Wildlife Service Technical Paper 5, 24 p. : ill.; 26 cm.,
- Robbins, C.S., 1966, Birds and Aircraft on Midway Islands, 1959-63 Investigations: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 85, 63,
- Robbins, Chandler S., 1966, Birds and aircraft on Midway Islands, 1959-63 investigations: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 85, 63 p.,
- Robbins, Otis; Worlund, D. D., 1966, Flathead Lake (Montana) fishery investigations, 1961-64: U.S. Fish and Wildlife Service Technical Paper 4, 26 p., ill.:maps, 27 cm.,
- Schoettger, Richard A.; Julin, Arnold M., 1966, Evaluation of an electronic method of measuring hematocrits of fish: U.S. Fish and Wildlife Service Investigations in Fish Control 11, 11 p.,
- Talbot, Lee M., 1966, Wild animals as a source of food: U.S. Fish and Wildlife Service Special Scientific Report -- Wildlife 98, 16 p.,
- Walburg, Charles H.; Nelson, William R., 1966, Carp, river carpsucker, smallmouth buffalo, and big-mouth buffalo in Lewis and Clark Lake, Missouri River: U.S. Fish and Wildlife Service Research Report 69, iv, 30 p. illus. 26 cm,
- Walker, Charles R.; Starkey, Roland J.; Marking, Leif L., 1966, Relation of chemical structure to fish toxicity in nitrosalicylanilides and related compounds: U.S. Fish and Wildlife Service Investigations in Fish Control 9, 12 p.,
- Warnick, Donald C., 1966, Growth rates of yellow perch in two North Dakota lakes after population reduction with toxaphene: U.S. Fish and Wildlife Service Investigations in Fish Control 5, 9 p.,
- Willford, Wayne A., 1966, Toxicity of 22 therapeutic compounds to six fishes: U.S. Fish and Wildlife Service Investigations in Fish Control 18, 10 p.,
- Wolf, K., 1966, Bacterial kidney disease of salmonid fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 8, 4 p.,
- Wolf, K., 1966, Infectious pancreatic necrosis (IPN) of salmonid fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 1, 4 p.,
- Wolf, K., 1966, Viral hemorrhagic septicemia of rainbow trout: U.S. Fish and Wildlife Service Fish Disease Leaflet 6, 4 p.,
- Wolf, Ken, 1966, Infectious pancreatic necrosis (IPN) of salmonid fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 1, 4 p.,
- Wolf, Ken, 1966, Viral hemorrhagic septicemia of rainbow trout: U.S. Fish and Wildlife Service Fish Disease Leaflet 6, 4 p.,
- Wolf, Ken, 1966, Bacterial kidney disease of salmonid fishes: U.S. Fish and Wildlife Service Fish Disease Leaflet 8, 4 p.,
- Yamazi, Isamu, 1966, Zooplankton communities of the Navesink and Shrewsbury rivers and Sandy Hook Bay, New Jersey: U.S. Fish and Wildlife Service Technical Paper 2, 37 p. : ill. ; 26 cm.,