Transcripts of entries of baptisms, marriages, and burials from the bishops' transcripts of registers of parishes in Arwistley (Llanidloes, Penstrowed, Llandinam, Carno, Llanidloes, and Llangurig), 1677-1717, and in Cyveiliog (Machynlleth, Mallwyd, Llanymawddwy, Llanwrin, Penegoes, Cemmes, Darowen, and Llanbrynmair), 1662-1770.

Transcripts of miscellaneous entries of baptisms, marriages, and burials from the parish registers of Cemmes, Mallwyd, Machynlleth, Penegoes, Trefeglwys, Llanwnog, and Darowen; genealogical notes and extracts relating to individual families, e.g., Tibbott of Llanbrynmair, Swancott of Trefeglwys and Llanwnog, and Bowen of Trefeglwya; lists of Bennett marriages, burials, and baptisms, 1631/2-1859, from the parish registers of Trefeglwys, Llanbrynmair, Llanidloes, Llangurig, Carno, and Llandinam; transcripts of miscellaneous memorial inscriptions; extracts from printed matter; etc.

Transcripts of baptisms, marriages, and burials from the parish registers of Penegoes, 1679-1812; a list of marriages at Machynlleth of persons from Penegoes, 1666-1798; a list of Darowen ratepayers, 1829; an assessment of [the township of] Is y Coed, parish of Penegoes, 1829; and a few pedigrees.

Transcripts of baptisms, marriages, and burials from the parish registers of Penegoes, 1813-1865; extracts from memorial inscriptions in [Penegoes] Churchyard, 1781-1916; an abstract of title, 1736-1802, to Llwynygronfa and Hendre'r Onn in [the township of] Uchcoed, parish of Penegoes; annotated extracts relating to Llanbrynmair from a roll of manorial chief rents, 1634, in the Wynnstay Collection; an abstract of a list entitled 'Cofnodiad or Yr [sic] holl Gym[anfaoedd] er dechreuad fy swydd', 1813-1826, by the Reverend Eb[enezer] Richards, Tregaron; and genealogical notes and extracts, partly from printed sources.