Archaic Buddhism. Tacit assumptions -- The problem of 'original Buddhism' -- The three marks and the perverted views. Impermanence ; Ill ; Not-self ; The four perverted views -- The five cardinal virtues. Faith ; Mindfulness and transic concentration ; Wisdom -- The final stages of deliverance. The break-through to the Unconditioned ; The three doors to deliverance ; Emptiness ; The signless ; The wishless ; Nirvana -- The cultivation of the social emotions. Friendliness ; Compassion ; Sympathetic joy ; Impartiality -- Dharma and dharmas -- Skandhas, sense-fields, and elements.; The Sthaviras. The eighteen schools -- Doctrinal disputes. The status of the 'self' ; The analysis of impermanence ; The concept of causality -- The Unconditioned and the process of salvation. Nirvana and space ; The three classes on enlightened persons ; The map of the path (the Visuddhimagga and the Abhidharmakosa) -- Some Abhidharma problems. The classification of conditioned dharmas ; The material world ; The stages of apperception.; The Mahayana. Doctrines common to all Mahayanists. The Mahasanghikas and the Mahayana ; The literary sources ; The range of disagreement ; The perverted views ; The six perfections ; The new role of the social emotions ; The new ontology ; The Absolute and the Buddha ; The new map of the path -- The Madhyamikas. The literary sources ; Description of the Madhyamika dialectic ; The motives behind the Madhyamika dialectic ; Emptiness and nihilism -- The Yogacarins. The literary sources ; The absolute idealism ; The three kinds of own-being -- Buddhist logic. The dialectical logic of the early Mahayana ; The later logicians -- The tantras.