1. 9

Full title: “CONS Should Not CONS Its Arguments, Part II: Cheney on the M.T.A.”

Describes a way of doing tail recursion for Scheme in C wherein a return is (essentially) never executed.

Also, it may have one of the best titles ever (see footnote 1).

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  2. 3

    A great, great paper. Chicken Scheme uses this approach.