Simon Roper | The Disappearance (and Survival) of 'Thou' @simonroper9218 | Uploaded September 2022 | Updated October 2024, 1 day ago.
Blake, N. The Cambridge History of the English Language Vol II. 1992.

A Devonshire dialogue: archive.org/details/adialogueindevo00palmgoog/page/n12/mode/2up?view=theater

Another bit of Devonshire dialect: archive.org/details/jimandnelladram00jimgoog/page/n6/mode/2up

The paper on the County Durham court transcripts: jstor.org/stable/43345931?seq=4#metadata_info_tab_contents

The 1920s source on 'thee' in quaker speech: jstor.org/stable/452096#metadata_info_tab_contents


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