The contents of the Vol. 11: The Hanoi Dialect of Spoken Vietnamese. Parts: I - Doctrine / theory on the Hanoi Dialect of Spoken Vietnamese ( HDSV ). The subjects. Contents & methods. II - HDSV in the past. The B.C situation. Chinese contact. The formation of Sino - Vietnamese pronunciation and tone & melody. The language's group of VIET - MUONG. HDSV facing phonetic changes. Stone epitaphs in Chinese script in Hanoi. The role of Hanoi in the Nom script formation & development; in literary creation; in cultural contact and change & interference. The role of Hanoi in the formation & development of Vietnamese modern written language in the beginning of 20th century. Intonation of Hanoi dialect - the backgrounds of Vietnamese standard spoken language. Hanoi dialect phonetic system. Features. Some phenomenon & trends. Other relationships. Language behaviors of Hanoians. III - Abundance & diversity of Hanoi dialect. Vietnamese internal development. Chinese - Vietnamese and French - Vietnamese cultural connections. Preserving & conserving the purify of Vietnamese & Hanoi dialect. Handicraft vocabulary - one of the most important components of Hanoi dialect vocabulary. IV - The grammar & style of Hanoi dialect. Some grammatical & phonetic characteristics. Hanoi dialect in everyday life's behaviors. Appendix: Traffic signs in Hanoi - the view from linguistic angle. The street cries / announces / advertises in Hanoi dialect.