Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Aber; Gatehouse; Baladeulyn.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Bangor (Caer-hun, Twr-gwyn, Tabernacl, Hirael, Graig); Beddgelert.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Bethesda (Hermon, Gerlan, Brynteg); Betws Garmon; Brynrefail; Brynrhos; Bwlan; Caeathro; Caernarfon; Capel Curig; Carneddi.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Clynnog district (Sunday schools at Clynnog, Brynaerau, Llanllyfni, Seion, Bwlan, Ebenezer, Pen-y-groes, Nebo); Eglwys y Cysegr; Disgwylfa; Fachwen; y Felinheli; Glan-rhyd, Llanwnda; Y Glyn; 'un o gynulleidfaedd Seisnig y Goror'; Gorffwysfa, Llanberis; Preswylfa, Llanberis; Llanddeiniolen; Llanfairisgaer; Rhydfawr a'r Glasgoed, Llanddeiniolen.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Llanfairfechan (Caersalem, Horeb); Llanllyfni; Llanllechid; Nebo, Llanllyfni; Llanrug.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Nantlle; Nantperis; Nazareth; Penmaenmawr; Pentir; Rhiwlas, Pentir.

Original manuscript histories of local Calvinistic Methodist churches and causes written for the use of William Hobley in the preparation of his Hanes Methodistiaeth Arfon, 1910-1924: Pen-y-groes (Saron, Tre-garth); Port Dinorwic; Rhiwddolion; Rhosgadfan; Rhostryfan; Rhyd-ddu; Tal-y-sarn; Tanrallt; Tan-y-coed; Ty'n-y- maes.