Here is information on four topics:

The original TMRC Dictionary: the first two editions of 1959 and 1960

Technical Drawings about Grand Central Terminal — Tracks, Signals, and Interlockings

The New York Subway riding competition and our computer-driven runs of 1966 and 1967

A game that can be played riding the New York Subway

The two subway articles first appeared in The Railroad Journal, published in limited circulation by George Mitchell.

Regards,

—prs.