Newell Manuscripts Casgliad o 75 o eitemau, gan gynnwys cyfrifon fferm (1814-1850), dyddiaduron (1815-1839), nodiadau ar gymdeithasfeydd, cyfarfodydd misol ac ysgolion Sul (1820-1850), nodiadau pregethau. Oll yn perthyn yn ddaearyddol i Sir Drefaldwyn ac yn enwadol i'r Methodistiaid Calfinaidd. A collection comprising of 75 items, including personal memoranda, farm accounts (1814-1850), diaries (1815-1839), notes on associations, monthly meetings and sunday schools (1820-1850), accounts of the sale and distribution of Pethau Newydd a Hen, neu Drysorfa i'r Ysgol Sabbathol (1826-1830), a publication of which Newell was the chief sponsor; sermon notes and miscellanea. All belong geographically to Montgomeryshire and in denomination to the Calvinistic Methodists. 1803-1852