National Archives: http://www.nationalarchives.gov.uk
Access to the Archives: http://www.nationalarchives.gov.uk/a2a
British Library: http://www.bl.uk
National Library of Wales: http://www.llgc.org.uk
Shropshire Archives: http://www.shropshire.gov.uk
Cardiff Central Library: http://www.cardiff.gov.uk
National Trust Surnames: http://www.nationaltrustnames.org.uk
Surname Data Base (Beamond): http://www.surnamedb.com
Radnorian: http://tredelyn.blogspot.com
Non-PDF Version of this website: http://www.users.waitrose.com/~brbeamond
UK & Ireland Genealogy: http://www.genuki.org.uk
Royal Historical Society Bibliography: http://www.rhs.ac.uk/bibl
Wikipedia: go to Bacheldre at: http://en.wikipedia.org/wiki/Bacheldre ;
and for Owain ap Llywelyn ab y Moel go to: http://en.wikipedia.org/wiki/Owain_ap_Llywelyn_ab_y_Moel
Surname Distribution: http://publicprofiler.org
Dr. Bartrum's Welsh Genealogies (e.g. enter Elystan Glodrydd 28): http://cadair.aber.ac.uk
Welsh Journals on-line (e.g. Mont. Colls.): http://welshjournals.llgc.org.uk
Y Cymmrodor (Welsh Surnames in the Border Counties of Wales): http://www.archive.org/details/ycymmrodor43cymmuoft