At the library! E.g. http://datarama.dk/Anatomy%20of%20Lisp.html http://datarama.dk/Anatomy%20of%20Lisp.html from the 1970s. You had to keep looking and be open

At the library! E.g. http://datarama.dk/Anatomy%20of%20Lisp.html http://datarama.dk/Anatomy%20of%20Lisp.html from the 1970s. You had to keep looking and be open to works not in C, but they were out there.