Erthyglau,
Erthyglau,
An essay,
An essay,
Essays,
Essays,
America,
America,
Caethwasiaeth,
Caethwasiaeth,
Letter book,
Letter book,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Sermons,
Sermons,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Pregethau,
Miscellaneous notes,
Miscellaneous notes,
Miscellanea,
Miscellanea,
'S.R.' letters to parents, etc.,
'S.R.' letters to parents, etc.,
'S.R.' broadsides,
'S.R.' broadsides,
Pynciau ysgol
Pynciau ysgol
'S.R.' letters to David Howell,
'S.R.' letters to David Howell,