Kramer, M. T. (1970). By the providence of God: Life and letters of Mother Maria de la Roche, the first Mother General of the Sisters of Divine Providence. The Sisters.
Chicago-viite (17. p.)Kramer, M. Tharsilla. By the Providence of God: Life and Letters of Mother Maria De La Roche, the First Mother General of the Sisters of Divine Providence. [S.l.: The Sisters, 1970.
MLA-viite (8. p.)Kramer, M. Tharsilla. By the Providence of God: Life and Letters of Mother Maria De La Roche, the First Mother General of the Sisters of Divine Providence. The Sisters, 1970.
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