Hauck, A. J. (1876). Hauck's centennial directory of the borough of Mechanicsburg (Cumberland County, Pa.) : [microform]: Containing a history of its settlement and growth; a classified list of the business houses; a complete, directory, alphabeticlly arranged, of all the citizens; a list of the public institutions, secret societies and miscellaneous organizations; and alphabetical street directory... together with a detailed census of the population of the borough for the year 1876. Mechanicsburg, Pa.: Thomas & Demming, steam power printers.

Hauck, A. J. Hauck's Centennial Directory of the Borough of Mechanicsburg (Cumberland County, Pa.) : [microform]: Containing a History of Its Settlement and Growth; a Classified List of the Business Houses; a Complete, Directory, Alphabeticlly Arranged, of All the Citizens; a List of the Public Institutions, Secret Societies and Miscellaneous Organizations; and Alphabetical Street Directory... Together With a Detailed Census of the Population of the Borough for the Year 1876. Mechanicsburg, Pa.: Thomas & Demming, steam power printers, 1876.

Hauck, A. J. Hauck's Centennial Directory of the Borough of Mechanicsburg (Cumberland County, Pa.) : [microform]: Containing a History of Its Settlement and Growth; a Classified List of the Business Houses; a Complete, Directory, Alphabeticlly Arranged, of All the Citizens; a List of the Public Institutions, Secret Societies and Miscellaneous Organizations; and Alphabetical Street Directory... Together With a Detailed Census of the Population of the Borough for the Year 1876. Mechanicsburg, Pa.: Thomas & Demming, steam power printers, 1876.