Together with his alchemical mystica soror (mystical sister) Jungian Swiss analyst Marie-Louise von Franz, Jung began collecting old alchemical texts, compiled a lexicon of key phrases with cross-references, and pored over them.
təɡˌɛðɚ wɪð hɪz ælkˈɛmɪkəl mˈɪstɪkə sˈoːɹɚ mˈɪstɪkəl sˈɪstɚ jˈʊŋiən swˈɪs ˈænɐlˌɪst mɚɹˈiːluːwˈiːz vˈɑːn fɹˈænts, jˈʊŋ bɪɡˈæn kəlˈɛktɪŋ ˈoʊld ælkˈɛmɪkəl tˈɛksts, kəmpˈaɪld ɐ lˈɛksɪkən ʌv kˈiː fɹˈeɪzᵻz wɪð kɹˈɔsɹˈɛfɹənsᵻz, ænd pˈoːɹd ˈoʊvɚ ðˌɛm.