Llwybr Arfordir Cymru: Penrhyn Llyn Bangor i Borthmadog - Teithlyfr SwyddogolCarl RogersVypredanáPostrážiť
Walking in Northern Snowdonia: Twenty Circular Walks Exploring the Woods, Valleys and Lower Hillsides of Northern SnowdoCarl RogersVypredanáPostrážiť
Selected Writings on Client Centered Therapy: Becoming a Person, Significant Aspects of Client Centered Therapy, The Process of Therapy, and The DevelCarl RogersVypredanáPostrážiť
