| Biographical Dictionary of Harford County, Maryland 1774-1974 | Pedan and Carr | 2021 | Soft Cover |
| Professional Genealogy, A Manual for Researchers, Writers, Editors, Lecturers and Librarians | Elizabeth Shown Mills | 2001 | Hard Cover |
| The Hidden Half of the Family, A Sourcebook for Women’s Genealogy | Christina Kassabian Schaefer | 1999 | Soft Cover |
| The Handybook for Genealogists, Tenth Edition | Everton Publishers | 2002 | Hard Cover |
| Genealogy Standards, Second Edition Revised | Board for Certification of Genealogists | 2021 | Soft Cover |
| Mastering Genealogical Proof | Thomas W. Jones | 2013 | Kindle |
| Genealogists GOOGLE Toolbox | Lisa Louise Cook | 2020 | Soft Cover |
| Practical Genealogy, 50 Simple Steps to research Your Diverse Family History | Brian Sheffey | 2020 | Soft Cover |
| Genealogy Tip of The Day | Michael John Neill | 2019 | Soft Cover |
| The Family Tree Problem Solver: Tried-and-True Tactics for Tracing Elusive Ancestors | Marsha Hoffman Rising | 2019 | Kindle |
| Research Like a Pro with DNA: A Genealoogists Guide to Finding and Confirming Ancestors with DNA Evidence | Diana Elder, Nicole E Dyer, Robin Wirthlin | 2021 | Kindle |
| Research Like a Pro: A Genealogist’s Guide | Diana Elder, Nicole E Dyer | 2018 | Kindle |
| Your DNA Guide, Step by Step Plans to Connect You with Your Family Using Your DNA | Diahan Southard | 2020 | Kindle |
| Tracing Your Ancestors Using DNA: A Guide for Family Historians | Graham S. Holton | 2019 | Kindle |
| Preserve Your Family Pictures: How To Save Photo Heirlooms for Future Generations | Amber Richards | 2014 | Kindle |
| A Recipe for Writing Family History | Devon Noel, Andrew Lee | 2018 | Kindle |
| How to Write Compelling Stories from Family History | Annette Gendler | 2019 | Kindle |
| Listening to the Voices of Our Ancestors: A Practical Manual for Developing Your Intuitive Genealogical Abilities | Megan Reilly Koepsell | 2020 | Kindle |
| News From The Land of Freedom, German Immigrants Write Home | Edited by Walter D. Kamphoefner, Wolfgang Helbich, Ulrike Sommer | 1991 | Soft Cover |
| German American Names | George F. Jones | 1990 | Hard Cover |
| Top Lawyers & Their Famous Cases | Phyllis Raybin Emert | 1996 | Hard Cover |
| History of Watauga County, A Souvenir of Watauga Centennial | | 1949 | Soft Cover |
| Maryland Records, Colonial Revolutionary County Church, Volume 1 | Gaius Marcus Brumbaugh | 1975 | Hard Cover |
| Maryland Records, Colonial Revolutionary County Church, Volume 2 | Gaius Marcus Brumbaugh | 1975 | Hard Cover |
| Our Harford Heritage, A History of Harford County Maryland | C. Milton Wright | 1967 | Hard Cover |
| Harford County Directory 1953 | Sate Directories Publishing Company | 1953 | Soft Cover |
| Harford Historical Bulletin, No. 47, Winter 1991, Methodist Church Architecture in Harford County | The Historical Society of Harford County | 1991 | Soft Cover |
| Harford Historical Bulletin, No. 89, Summer 2001, Welsh Settlers of Delta, PA/ Cardiff MD | The Historical Society of Harford County | 2001 | Soft Cover |
| Harford Historical Bulletin, No. 39, Winter 1989; Slate Quarrying and the Welsh. York County PA and Harford County MD | The Historical Society of Harford County | 1989 | Soft Cover |
| Harford Historical Bulletin, No. 67, Winter 1996; 100 Years History of Libraries in harford County from 1885 | The Historical Society of Harford County | 1996 | Soft Cover |
| Harford Historical Bulletin, No. 91, Winter 2002; Wilna: On the Road From Bel Air to Joppa | The Historical Society of Harford County | 2002 | Soft Cover |
| The History of Union Chapel United Methodist Church | | 1984 | Soft Cover |
| Images of America: Bel Air (2 copies) | Bill Bates | 2004 | Soft Cover |
| Images of America: Aberdeen Proving Ground | Bill Bates | 2007 | Soft Cover |
| Then & Now: Harford County | Bill Bates | 2005 | Soft Cover |
| Postcard History Series: Harford County in Vintage Postcards (2 copies) | Bill Bates | 2005 | Soft Cover |
| Bel Air Chronicles | Carol Deibel | 2012 | Soft Cover |
| Delta Cardiff Volunteer Fire Company, Celebrating 100 Years of Service | | 1998 | Hard Cover |
| The World Book of Morgans, Volume 1-3 | Halbert’s Family Heritage | 1997 | Soft Cover |
| The World Book of Hartleys | Halbert’s Family Heritage | 1997 | Soft Cover |
| The Hartley Family Through Time | Linda Land Wilcox | 2020 | Soft Cover |
