Leges Hywel Dda
Leges Hywel Dda,
Letters and poetry,
Letters and poetry,
Letters of Robert Joseph of Evesham,
Letters of Robert Joseph of Evesham,
Letters patent,
Letters patent,
Letters,
Letters,
Letters, etc.,
Letters, etc.,
Lhuyd correspondence,
Lhuyd correspondence,
Liber Audoeni Owen,
Liber Audoeni Owen,
Liber Historie Gentis Britonum,
Liber Ruber Asaphensis (copy),
Liber Ruber Asaphensis (copy),
Liber Thomas Pennant,
Liber Thomas Pennant,
List of books from Penbedw, etc.
List of books from Penbedw, etc.
Llinellau o farddoniaeth,
Llinellau o farddoniaeth,
Llyfr achau Gutun Owain,
Llyfr Achau Trevor o Drefalun
Llyfr Ancr Llanddewi Brefi,
Llyfr Ancr Llanddewi Brefi,
Llyfr Brith Cors y Gedol,
Llyfr Brith Cors y Gedol,
Llyfr Byr Tew Gruffudd Hiraethog,
Llyfr Cadwaladr Wynn,
