Safon Uwch Daearyddiaeth Meistroli'r Testun: Tirweddau Arfordirol Stiff Peter Heftet / 2020 / Walisisk
OCR A-level Geography Workbook 1: Landscape Systems and Changing Spaces; Making Places Stiff Peter Heftet / 2019 / Engelsk
OCR AS/A-level Geography Student Guide 1: Landscape Systems; Changing Spaces, Making Places Palmer Andy Heftet / 2016 / Engelsk
OCR AS/A-level Geography Student Guide 2: Earth's Life Support Systems; Global Connections Stiff Peter Heftet / 2016 / Engelsk
OCR AS/A level Geography Student Guide 4: Investigative geography; Geographical and fieldwork skills Stiff Peter Heftet / 2017 / Engelsk
OCR A-level Geography Workbook 3: Geographical Debates: Climate Change; Disease Dilemmas; Exploring Oceans; Future of Food; Hazardous Earth Stiff Peter Heftet / 2019 / Engelsk
OCR A Level Geography Student Guide 3: Geographical Debates: Climate; Disease; Oceans; Food; Hazards Stiff Peter Heftet / 2017 / Engelsk
OCR A-level Geography Workbook 2: Earth's Life Support Systems and Global Connections Stiff Peter Heftet / 2019 / Engelsk
