HP 101. Baltimore's Polish Language Newspapers: Historical and Genealogical Abstracts, 1891-1925. Thomas L. Hollowak, 1992. 86 pages, indexed,paper. $2.95 [ISBN 1-8871-2401-2]

HP 102. Baltimore's Polonia: A Brief History. Thomas L. Hollowak, 1995, revised 2006. 30 pages, photographs, paper. $5.00 [ISBN 1- 8871-2412-8]

HP 104. A History of Polish Longshoremen & Their Role in the Establishment of a Union at the Port of Baltimore. Thomas L. Hollowak, 1996. 38 pages, photographs, paper. $5.00 [ISBN 1-8871-2414-4]

HP 106. Baltimore 1830-1840: Death in a Pre-Industrial City. Thomas L. Hollowak, 1998. 23 pages, photographs, paper. $1.95 [ISBN 1-8871-2419-5]

AC01. University of Baltimore: College History Series. Thomas L. Hollowak. Arcadia Press, 2000. 128 pages, $5.99 [ISBN 0-7385-0594-3]

HP 108. Polonia in the Press: Articles from the Baltimore American & Commerical Daily Advertiser, 1870-1899. Baltimore History Class, 2004. 423 pages, illustrated, indexed, paper. $9.99 [ISBN 1-8871-2436-5]

HP. 109. We WereThere and Survived. Matthew T. Fox, Sr., 2005. 107 pages, photographs, paper. $15.99 [ISBN 978-1-88712438-6]

HP 111. Baltimore Street Name Changes: 1730 to 2000. Thomas P. Bocek. 2007. 144 pages. $12.99. [ISBN 978-1-887124-42-3]

HP 114. The Valley Register of Middletown, Maryland: 1861-1862. L. Tilden Moore, 2008. 287 pages, index, paper. $24.99 [ISBN 978-1-887124-44-7]