The DC Preservation League (DCPL), seeks proposals from qualified consultants (Consultant) interested in undertaking research to identify themes, establish associated property types, and create a preliminary inventory of significant historic resources associated with the history of affordable housing for low-income populations, with a focus on African Americans, in Washington, DC.  The selected Consultant will: (1) produce a historic context statement to thematically address the affordable housing, with emphasis on African Americans, in Washington, DC; (2) prepare a National Register Multiple Property Document, including identification of associated property types for submission to the DC Inventory and National Register; (3) produce two new individual landmark nominations and two amended nominations related to the topic for submission to the DC Inventory and the National Register; and (4) present the Multiple Property Document and nominations to the public and the DC Historic Preservation Review Board (HPRB).