Library of Congress. Congressional Research Service, 6,202
Geological Survey (U.S.) 346
National Agricultural Library (U.S.) 221
Doyle, Charles, 159
Geological Survey (U.S.), 139
Library of Congress. Congressional Research Service 107
Labonte, Marc, 79
EBSCOhost 76
Gravelle, Jane, 70
Library of Congress. Science, Technology, and Business Division. Science Reference Services, 70
Sherlock, Molly F., 67
Lynch, Megan Suzanne, 57
Straus, Jacob R., 56
ScienceDirect (Online service) 55
Educational Resources Information Center (U.S.) 53
O'Rourke, Ronald, 53
Painter, William L. (Specialist in homeland security and appropriations), 53
McCarty, Maggie, 52
Schnepf, Randall Dean, 1954- 52
Library of Congress. National Library Service for the Blind and Physically Handicapped 51
Schneider, Judy, 51
Davis, Christopher M., 1966- 48
Library of Congress 46
Sargent, John F., 46
Ramseur, Jonathan L., 45
Falk, Gene, 44
Hardy Vincent, Carol, 44
Johnson, Renée (Specialist in agricultural policy), 44
Webel, Baird, 44
Monke, James, 43
Saturno, James, 43
Epstein, Susan B., 41
Garrett, R. Sam, 1977- 41
Marples, Donald, 41
Rybicki, Elizabeth, 41
U.S. Atomic Energy Commission 41
Brudnick, Ida A., 40
Finklea, Kristin M., 40
Carter, Nicole T., 39
Feickert, Andrew, 39
National Institute of Standards and Technology (U.S.) 39
Stern, Charles V., 39
Hoover, Katie, 38
Sheikh, Pervaze A., 38
James, Nathan 37
Martin, Michael F., 37
Peterman, David Randall, 37
Isaacs, Katelin P., 1980- 36
Keightley, Mark P., 36
McMillion, Barry J., 36
Seelke, Clare Ribando, 35
Stoltzfus, Emilie, 35
Boyd, Eugene, 34
Crandall-Hollick, Margot L., 34
Kronstadt, K. Alan, 34
Tollestrup, Jessica, 34
Copeland, Claudia, 33
Heitshusen, Valerie, 33
Folger, Peter 32
Petersen, R. Eric, 32
Bracmort, Kelsi, 31
Bruno, Andorra, 31
Lum, Thomas G. 1961- 31
Panangala, Sidath Viranga, 31
Sullivan, Mark P., 31
United States. National Archives and Records Administration 31
Upton, Harold F. 31
Whittaker, Julie M., 31
Dilger, Robert Jay, 1954- 30
Driessen, Grant A., 30
Lynch, Karen E., 30
Collins, Benjamin, 29
Garcia, Michael John, 29
Sarata, Amanda K., 29
Shimabukuro, Jon O., 29
Stubbs, Megan, 29
Topoleski, John J., 29
Woolf, Amy F., 29
Campbell, Richard J. (Specialist in energy policy), 28
Eckman, Sarah J., 28
Fernandes-Alcantara, Adrienne L., 28
Getter, Darryl E., 28
Hatch, Garrett Leigh, 28
Lattanzio, Richard K., 28
Mallett, William, 28
McCarthy, James E. (Specialist in environmental policy), 28
Morton, William R., 28
Perl, Libby, 28
Sacco, Lisa N., 28
Szymendera, Scott, 28
Akhtar, Shayerah Ilias, 27
Cook, Nicolas, 27
Donovan, Sarah A., 27
Garvey, Todd, 27
Heisler, Elayne J., 1976- 27
Holt, Mark, 27
Library of Congress. Law Library, 27
Lindsay, Bruce R., 27
Nikitin, Mary Beth Dunham, 27
United States. Bureau of Mines 27