Cwtta Cyfarwydd 'The Chronicle Written by the Famous Clarke, Peter Roberts', for 1607-1646. with an Appendix from the Register Note-Book of T. Rowlands, Vicar Choral of St. Asaph, for 1595-1607 and 1646-1653. Prefaced with an Intr. Chapter and Pedigree Roberts, Professor Peter Innbundet / 2015 / Engelsk
New Immigration; A Study of the Industrial and Social Life of Southeastern Europeans in America Roberts, Professor Peter Innbundet / 2009 / Engelsk
New Immigration; A Study of the Industrial and Social Life of Southeastern Europeans in America Roberts, Professor Peter Innbundet / 2009 / Engelsk
Harmony of the Epistles of the Holy Apostles; To Which Is Added a Summary of the Entire By the REV. Peter Roberts, M.A. Roberts, Professor Peter Heftet / 2010 / Engelsk
Sketch of the Early History of the Cymry Or, Ancient Britons, from the Year 700, Before Christ, to A, Part 500 Roberts, Professor Peter Heftet / 2018 / Engelsk
New Immigration; A Study of the Industrial and Social Life of Southeastern Europeans in America Roberts, Professor Peter Heftet / 2009 / Engelsk
New Immigration; A Study of the Industrial and Social Life of Southeastern Europeans in America Roberts, Professor Peter Heftet / 2009 / Engelsk
Sketch of the Early History of the Cymry Or, Ancient Britons, from the Year 700, Before Christ, to A, Part 500 Roberts, Professor Peter Innbundet / 2015 / Engelsk
Life and Death at the Old Drift, Victoria Falls (1898-1905) Roberts, Professor Peter Heftet / 2020 / Engelsk
Manual of Prophecy Or, a Short Comparative View of Prophecies Contained in the Holy Scriptures, and the Events by Which They Were Fulfilled Roberts, Peter Heftet / 2013 / Engelsk
Sun, Steel and Spray - A History of the Victoria Falls Bridge Roberts, Professor Peter Heftet / 2020 / Engelsk
