The fonds consists of textual records, including architectural plans and sketches, and photographs relating to the administration and operation of Mercantile Mortgage Company Limited, Estates Investment Limited and the other Thomson family corporate holdings.
Incorporation and capitalization documents and correspondence from 1908 and 1919 exist for both Mercantile Mortgage Company and Estates Investment Limited, respectively. Administrative and operational records include financial statements, operating statements and working papers for both companies, and Argyll House Limited, dating from their inception to the late 1980s, as well as company and Unit Holder audits from the same time period. Unit holder lists, registers, stock certificates and correspondence give investment and investor details from 1908 to 1988. Trustee Company Limited, Mercantile Mortgage Company Limited and Estates Investment Limited Minute Books detail the administration and operation of the companies from their inception in 1908 and 1919 to 1983.
A large number of records detail the property and real estate holdings and mortgage loans held by Mercantile Mortgage Company and Estates Investment Limited. These include building files for each of the significant Vancouver and New Westminster properties which include deeds, photographs, architectural plans and sketches, correspondence with building trades companies in the respective cities, permits for construction in each building and some lease and tenant information. Many of these files date to the late 19th Century or first decade of the 20th century. In addition, a number of building files detail modern upgrades to the buildings including elevator and sprinkler system installation and general upgrades from the 1950s through the 1970s. Some files contain lease and tenant information as well as operating statements and general property management information. Tax assessments and property valuations from the 1970s and 1980s are related to sale agreements for each of the properties. In addition, a number of dockets dating from 1896 to 1921 contain mortgages, agreements of sale, property deeds, real unit property deeds and transfers, and other indentures and contracts related to real estate investments and mortgage loans.
Photographs and colour slides of Gastown and New Westminster buildings and streets detail the development of the buildings and their respective cities and neighbourhoods through the 20th Century.