| title | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Associations USA 2004: A Directory of Contact Information for National Associations, Foundations, and Other Nonprofit Organizations in the United States and Canada | 978-0-7808-0732-7 | 2004 |
| Associations USA: A Directory of Contact Information for National Associations, Foundations, And Other Nonprofit Organizations in the United States And Canada | 978-0-7808-0822-5 | 2006 |
| Business Phone Book Usa, 1997: The National Directory of Addresses and Telephone Numbers | 978-0-7808-0090-8 | 1996 |
| Business Phone Book USA 1998: The National Directory of Addresses and Telephone Numbers | 978-0-7808-0293-3 | 1997 |
| City Profiles U. S. A. 1995: A Traveler's Guide to Major U. S. Cities | 978-0-7808-0056-4 | 1995 |
| City Profiles USA 1997: A Traveler's Guide to Major Us Cities | 978-0-7808-0093-9 | 1997 |
| City Profiles USA 2005: A Traveler's Guide to Major U.S. Cities | 978-0-7808-0660-3 | 2004 | Nancy V. Kniskern · Lori Alvarez |
| Counties USA 1997: A Directory of United States Counties | 978-0-7808-0094-6 | 1997 | Inc. Omnigraphics |
| Fax Usa, 1997: A Directory of Facsimile Numbers for Businesses and Organizations Nationwide | 978-0-7808-0092-2 | 1997 |
| Fax USA 1998: A Directory of Facsimile Numbers for Businesses and Organizations Nationwide | 978-0-7808-0291-9 | 1997 |
| Headquarters USA 2003: A Directory of Contact Informationor Headquarters and Other Central Offices of Major Businesses & Organizations in the United States and in Canada | 978-0-7808-0607-8 | 2002 |
| Headquarters USA 2005: A Directory of Contact Information for Headquarters and Other Central Offices of Major Businesses and Organizations Nationwide | 978-0-7808-0752-5 | 2004 |
| Headquarters USA 2006: A Directory of Contact Information for Headquarters and Other Central Offices of Major Businesses & Organizations In The United States And In Canada | 978-0-7808-0804-1 | 2005 |
| Headquarters USA 2007: A Directory of Contact Information for Headquarters and Other Central Offices of Major Businesses & Organizations in the United States and in Canada | 978-0-7808-0927-7 | 2006 |
| Headquarters USA 2008: A Directory of Contact Information for Headquarters and Other Central Offices of Major Businesses & Organizations in the United States and in Canada | 978-0-7808-1022-8 | 2007 |
| International Research Centers | 978-0-8103-0470-3 | 1986 | Kay Gill |
| National Directory of Addresses and Telephone Numbers 1995 | 978-0-7808-0020-5 | 1994 |
| Parks Directory of the United States | 978-0-7808-0932-1 | 2007 |
| Parks Directory of the United States | 978-0-7808-0663-4 | 2004 | Penny J. Hoffman |
| Parks Directory of the United States: A Guide to More Than 4,700 National & State Parks, Recreation Areas, Historic Sites, Battlefields, Monuments, Fo | 978-0-7808-0018-2 | 1994 |
| Parks Directory of the United States & Canada: A Guide to Nearly 5,000 National, State, Provincial, and Urban Parks in the United States and Canada | 978-0-7808-0440-1 | 2001 | Penny J. Hoffman · Dawn Bokenkamp Toth |
| Toll-Free Phone Book USA 1997: A Directory of Toll-Free Telephone Numbers for Businesses and Organizations Nationwide | 978-0-7808-0173-8 | 1996 |
| Toll-Free Phone Book USA 1998: A Directory of Toll-Free Telephone Numbers for Businesses and Organizations Nationwide | 978-0-7808-0281-0 | 1997 | Kay Gill |
| Toll-Free Phone Book USA 2003: A Directory of Toll-Free Telephone Numbers for Businesses and Organizations Nationwide | 978-0-7808-0622-1 | 2002 | Darren Smith |
| Toll-Free Phone Book USA 2004: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0657-3 | 2003 | Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Sharlene C. Glassman · Staci L. Rachman · Nancy V. Kniskern |
| Toll-Free Phone Book USA 2005: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0754-9 | 2004 | Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Sharlene C. Glassman · Staci L. Rachman · Nancy V. Kniskern |
| Toll-Free Phone Book USA 2006: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0807-2 | 2005 | Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Sharlene C. Glassman · Staci L. Rachman · Nancy V. Kniskern |
| Travel and Vacation Sourcebook: The Practical Guide to Planning a Trip | 978-0-7808-0184-4 | 1998 |
| Traveler's Sourcebook 1997: A Practical Guide to Information on Recreational and Business Travel in the United States | 978-0-7808-0174-5 | 1996 | Nancy V. Kniskern |
| Web Site Source Book 1996: A Guide to Major U.S. Businesses, Organizations, Agencies, Institutions, and Other Information Resources on the World Wide Web 1996 | 978-0-7808-0095-3 | 1996 |
| Web Site Source Book 1997: A Guide to Major U.S. Businesses, Organizations, Agencies, Institutions, and Other Information Resources on the World Wide Web | 978-0-7808-0169-1 | 1997 | Kay Gill |
| Web Site Source Book 1998: A Guide to Major U.S. Businesses, Organizations, Agencies, Institutions, and Other Information Resources on the World Wide Web | 978-0-7808-0283-4 | 1998 | " |
| Web Site Source Book 2006: A Guide to Major U.S. Businesses, Organizations, Agencies, Institutions, And Other Information Resources on the World Wide Web | 978-0-7808-0808-9 | 2006 |