| A | National Library of Australia |
| AAP | Auburn University Library |
| AAS | American Antiquarian Society |
| AP | Auckland, New Zealand, Public Library |
| AR | Auckland, New Zealand, Institute and Museum |
| ArU-LR | University of Arkansas--Little Rock |
| ATL | Alexander Turnbull Library, Wellington, New Zealand |
| AU | Auckland University Library, New Zealand, |
| AzTeS | Arizona State University, Tempe |
| AzU | University of Arizona |
| BU | University of Bristol, England |
| C | Cambridge University, England |
| Cardiff | Cardiff University |
| CCSC | Claremont School of Theology |
| CHS | California State University, Hayward |
| CLU | University of California, Los Angeles |
| CNoS | California State University, Northridge |
| CR | Canterbury Museum, Christchurch, New Zealand |
| CSS | California State University, Sacramento |
| CSj | San Jose, California, Public Library |
| CSmH | Huntington Library |
| CSt | Stanford University |
| CU | University of California, Berkeley |
| CUB | University of California, Berkeley, Bancroft Library |
| CUSC | University of Southern California |
| CUC | Canterbury University, Christchurch, New Zealand |
| CU-A | University of California, Davis |
| CU-Riv | University of California, Riverside |
| CU-I | University of California, Irvine |
| Can | National Library of Canada, Ottawa |
| CaBViPA | Provincial Archives Library, Victoria, BC, Canada |
| CaOKQ | Queen’s University, Kingston, ON, Canada |
| CaOTP | Toronto Public Library, Research Library |
| CaOTU | University of Toronto |
| CaSRL | Saskatchewan Legislative Library, Regina, SK, Canada |
| CaVAUBC | University of British Columbia |
| CoDI | Iliff Schoof of Theology, Denver, Colorado |
| CoDU | University of Denver |
| CoFC | Colorado State University, Fort Collins |
| CoU | University of Colorado, Boulder |
| CtW | Wesleyan University |
| CtY | Yale University |
| CtY-M | Yale University, Medical School Library |
| DHU | Howard University |
| DL | U.S. Department of Labor Library |
| DLC | Library of Congress |
| DeGE | Eleutherian Mills Historical Library, Delaware |
| DeU | University of Delaware |
| DU | University of Otago, Dunedin, New Zealand |
| DU-Ho | Hocken Library, University of Otago, Dunedin, New Zealand |
| Ebook | Book only available through some service like Kindle or Nook. |
| ExU | University of Exeter |
| FMU | University of Miami |
| FPP | Pensacola Christian College |
| FTS | University of South Florida |
| FTaSt | Florida State University, Tallahassee |
| GCarrWG | West Georgia College |
| GEU | Emory University |
| GU | University of Georgia |
| Hathi | Hathi Trust’s Digital Library |
| HRC | Harry Ransom Center, University of Texas |
| HU | University of Waikato Library, Hamilton, New Zealand |
| I | Illinois State Library |
| IC | Chicago Public Library |
| ICD | De Paul University |
| ICFC | Felician College |
| ICMBI | Moody Bible Institute, Chicago |
| ICarbS | Southern Illinois University, Carbondale |
| ICJ | John Crerar Library, University of Chicago |
| ICN | Newberry Library, Chicago, IL |
| ICRL | Centre for Research Libraries, Chicago, IL |
| ICU | University of Chicago |
| IDeKN | Northern Illinois University |
| IEdS | Southern Illinois University, Edwardsville |
| IEN | Northwestern University |
| IHi | Illinois State Historical Library |
| INS | Illinois State University, Normal |
| IRoC | Rockford College |
| ISS | University of Illinois, Springfield |
| IU | University of Illinois, Champagne-Urbana |
| IaSU | Iowa State University |
| IaScB | Briar Cliff College |
| IaU | University of Iowa |
| InMuB | Ball State University |
| InNd | University of Notre Dame |
| InTI | Indiana State University, Terre Haute |
| InU | Indiana University |
| KAS | Benedictine College, Atchison, KS |
| KMK | Kansas State University |
| KPT | Pittsburgh State University, Pittsburgh, KS |
| KU | University of Kansas |
| KyLoU | University of Louisville |
| KyU | University of Kentucky |
| KyWAT | Asbury Theological Seminary, Wilmore, KY |
| L | British Library |
| L(NL) | British Library Newspaper Library |
| LDW | Dr. Williams Library, London |
| Leeds | University of Leeds |
| Leeds Pub | Leeds, England, Public Library. |
| LFriends | Society of Friends Library, London |
| LLL | London Library |
| LSE | London School of Economics and Political Science |
| LU | London University, Senate House Library |
| M | Mitchell Library, Sydney, NSW, Australia |
| MA | Amherst College, Amherst, MA |
| MB | Boston Public Library |
| MH | Harvard University |
| MWC | Clark University, Worcester, MA |
| MDBP | Peabody Library, Baltimore, MD |
| MDU-B | University of Maryland-Baltimore |
| MeLB | Bates College, Lewiston, ME |
| Merril | Merril Collection of Science Fiction, Speculation, and Fantasy, Toronto Public Library |
| MiDW | Wayne State University |
| MiEM | Michigan State University, East Lansing |
| MiU | University of Michigan |
| MnU | University of Minnesota |
| MoCoS | Stephens College, Columbia, MO |
| MoMaryU | Northwest Missouri State University |
| Monash | Monash University, Melbourne, Vic, Australia |
| MoR | Missouri University of Science and Technology |
| MoS | St. Louis Public Library |
| MoSW | Washington University, St. Louis |
| MoSp | Springfield, Missouri, Public Library |
| MoSpD | Drury College, Springfield, MO |
| MoU | University of Missouri-Columbia |
| MoU-K | University of Missouri-Kansas City |
| MoU-St | University of Missouri-St. Louis |
| N | New York State Library, Albany |
| NAlU | State University of New York, Albany |
| NBiSU | Binghamton University |
| NBu | Buffalo & Erie County Public Library |
| NBuU | University at Buffalo |
| NHemH | Hofstra University, Hempstead, NY |
| NIC | Cornell University |
| NLS | National Library of Scotland |
| NN | New York Public Library |
| NNC | Columbia University |
| NNStJ | St. John’s University, Jamaica, NY |
| NPV | Vassar College, Poughkeepsie, NY |
| NRU | University of Rochester |
| NSW | State Library of New South Wales, Sydney, NSW, Australia |
| NSyU | Syracuse University |
| NZ | National Library of New Zealand, Wellington |
| NbLU | University of Nebraska, Lincoln |
| NcD | Duke University |
| NcRS | North Carolina State University, Raleigh |
| NcU | University of North Carolina |
| NhD | Dartmouth College |
| NjP | Princeton University |
| NjR | Rutger’s University |
| Nott | University of Nottingham Library |
| O | Bodleian Library, Oxford University |
| OAdN | Ohio Northern University |
| OAkI | University of Akron |
| OBG | Bowling Green State University |
| OCl | Cleveland Public Library |
| ODW | Ohio Wesleyan University |
| OFH | Rutherford B. Hayes Library, Fremont, OH |
| OKentC | Kent State University |
| OO | Oberlin College |
| OU | Ohio State University |
| Or | Oregon State Library |
| OrU | University of Oregon |
| Papers Past | Online Source for New Zealand Newspapers |
| PAmP | American Philosophical Society |
| PBm | Bryn Mawr University |
| PC | Private Collection |
| PClU | Clarion University |
| PLhS | Lock Haven University of Pennsylvania |
| PPA | Athenaeum of Philadelphia |
| PP | Free Library of Philadelphia |
| PPiCM | Carnegie Mellon University |
| PPiG | University of Pittsburgh, Greensburg |
| PPiU | University of Pittsburgh |
| PLF | Franklin and Marshall College |
| PPLC | Library Company of Philadelphia |
| PPT | Temple University |
| PSC | Swarthmore College |
| PScU | University of Scranton |
| PSt | Pennsylvania State University |
| PSt-A | Pennsylvania State University, Abington |
| PSt-H | Pennsylvania State University, Harrisburg |
| PU | University of Pennsylvania |
| Public | Many public libraries in many countries. |
| PV | Villanova University |
| RNR | Redwood Library and Athenaeum |
| RPB | Brown University |
| Sydney | University of Sydney Library, Sydney, NSW, Australia |
| SFF | Science Fiction Foundation Library, University of Liverpool |
| SOAS | School of Oriental and African Studies Library, London |
| STC | Short Title Catalog |
| TJoS | East Tennessee State University |
| TNJ | Joint University Libraries, Nashville, Tennessee |
| Trove | National Library of Australia online resources |
| TRL | Toronto Research Library |
| TU | University of Tennessee |
| TxCAM | Texas A & M University |
| TxEU | University of Texas, El Paso |
| TxU | University of Texas |
| TxUBenson | University of Texas, Benson Latin America Collection |
| UEA | University of East Anglia |
| UQld | University of Queensland, Australia |
| UPB | Brigham Young University |
| UU | University of Utah |
| ViU | University of Virginia |
| VMU | University of Melbourne |
| VMoU | Monash University |
| VSL | State Library of Victoria, Australia |
| VUW | Victoria University of Wellington Library, New Zealand |
| W | Wright, Lyle H., American Fiction Microfilm Collection |
| WGA | Parliamentary Library, Wellington, New Zealand |
| WHi | Wisconsin Historical Society |
| WI | Warburg Institute, London University |
| WMU | University of Wisconsin-Milwaukee |
| WP | Wellington Public Library, New Zealand |
| WU | University of Wisconsin-Madison |
| WaE | Everett Public Library, Washington |
| WVaU | University of West Virginia |