New York City Transit Authority Graphics Standards Manual (1970)
Graphic design fiends will rejoice in this online copy of the New York City Transit Authority Graphics Standards Manual, originally published by Unimark International in 1970. The manual features everything from official typefaces and color swatches to diagrams of station signage. It was posted online by New York City-based designers Niko Skourtis, Jesse Reed, and Hamish Smythe.
via Scott Schiller