Single Status Update
Hi Gorgor! Sorry to bother you. Here is a beautiful official 1974 subway map I found online. Shows the cover, the full map, Manhattan, Brooklyn and the 1974 subway service guide. If you have any questions, feel free to ask.
Link To Official 1974 Subway Map: http://www.bridgeandtunnelclub.com/bigmap/citywide/subway/1974map/index.htm
Have a wonderful day and enjoy!