The Regional Archeology Program (RAP) has published a variety of reports and papers for the historic preservation professional. The RAP's Occasional Report Series, as of 2014, comprises twenty volumes dating from 1985 through 2014. A series of Technical Reports is also available which detail recent research archeological investigations at parks in the National Capital Region. Reports in these two series are made available, upon request, to professionals in the historic preservation community. Additionally, papers are available for download on a variety of subjects of interest to both the professional and the avocational archeologist.