Wikipedia has a handy list of X Minus One episodes based on stories by famous writers [1], and a list of all the episodes [2]. These might come in handy since the Archive.org listing just lists the episode titles.

[1] https://en.wikipedia.org/wiki/X_Minus_One#Episodes_based_on_...

[2] https://en.wikipedia.org/wiki/List_of_X_Minus_One_episodes