Consists of a reading, transcription, and interpretation of Garrett 3a, plus hand copies of fragments of two other pictorial catechisms, with accompanying transcriptions. Signed and dated by Francisco Pérez in 1837. Pages 9-11 contain an original or copied set of Testerian drawings with an interlinear Spanish translation entitled, "La Confesión General". Pages 13-15 contain a second set of such drawings, also with an interlinear Spanish translation, beginning with the words, "Señor mío Jesucristo...". At the end of page 15 is the following inscription: "Catecísmo de geroglíficos Otomí, descifrado por el Presbítero D. Franco Pérez, Catedrático de esta Universidad, y examinador sinodal de dho. idioma Otomí. Mexico, Febrero 8, 1837 (signed) Franco Pérez [rubric]".