首都博物馆(以下简称首博)收藏的清代以来北京地区城乡契约文书(又称京畿文书)原件,包括上自清代初年,下至20世纪60年代初的房屋、土地的买卖、典当、租佃契约,煤窑业、商业合同以及析产书等,计2万份左右。其内容涉及经济、政治、生活等各个方面。它们不仅是研究北京地区(包括现今河北省部分地区)自清代以来城乡经济、土地制度方面极其难得的第一手资料,并且对政治史、北京史乃至中国历史的研究和社会学、档案学、文物学、法学等专门学科的研究也具有十分重要的参考价值。特别是其中旗人产业的契约文书,尤其应引起重视。迄今,学者们对旗产(包括旗人的土地、房屋)的研究,多是利用图书、档案和方志,利用契约文书者为数寥寥。因为有关旗产的契约文书的实物原件被保存下来并公 The original copies of the Beijing Urban and Rural Contractual Documents (also called Gyeonggi instruments) collected since the Qing Dynasty in the Capital Museum (hereinafter referred to as “the First Bo”) include the purchase and sale of houses and land, the pawnshops, Tenancy contract, coal industry, commercial contracts and analysis of production books, about 20000 copies. Its content involves various aspects such as economy, politics, life and so on. They are not only first-hand materials for studying the economic and land system in urban and rural areas of Beijing since the Qing Dynasty (including some parts of present-day Hebei Province), but also for the study of political history, history of Beijing and even China, and sociology and archives , Cultural relics, law and other specialized disciplines also has a very important reference value. In particular, the contractual instruments of the banner industry should be given particular attention. So far, many scholars have made use of books, archives and local records for the study of flag products (including banner people’s land and houses), and only a few use contractual documents. Because the original physical documents about the flagship contract documents were preserved and made public