Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Considers D.C. law enforcement and crime prevention activities, including D.C.-Federal authorities implementation of D.C. crime preventive activities recommended by President's Commission on Crime and D.C.-state cooperation in preventing crime from spreading into neighboring suburbs. Appendix includes Metropolitan Washington Council of Governments report "Program Design for Regional Law Enforcement, Crime Prevention and Criminal Justice Planning in the Washington Metropolitan Area," Jan. 1969 (p. A-9 - A-171).