Note: ADCCP closely resembles high-level data link control[?] (HDLC) and synchronous data link control[?] (SDLC).
Source: from Federal Standard 1037C
... no husband present, and 21.9% are non-families. 17.7% of all households are made up of individuals and 7.6% have someone living alone who is 65 years of age or older. ...