Some dealers maintain collections that do not overlap with what they sell.
Global History – Museums in many countries maintain collections of coins from their societies' ancient past, which historians use as evidence in their studies of historic times and places.
The official registers of heraldic administrations (such as those of the Lyon Court in Scotland) still maintain collections of rolls of arms recording armorial ensigns and insignia of historical import.
Museum curators are good at this – their job is to assemble and maintain collections.
Botanic gardens around the world maintain collections of living plants for science, conservation, education, beauty and more.
There is a record of charcoal being used to maintain collections of woodblock prints at a stable relative humidity such as the Tripitaka Koreana that were engraved from 1237 to 1248 and are designated a World Heritage Site by UNESCO.
The Yellowstone National Park Archives maintain collections of historical records of Yellowstone and the National Park Service.
3. To maintain "collections of North American and exotic animals, for the benefit and enjoyment of the general public, the zoologist, the sportsman, and every lover of nature".
Genebanks maintain collections of different accessions that represent a great genetic wealth that can be explored for the breeding of traits or marker development.
Major pathway simulation software packages already maintain collections of multiple parameter estimation methods, rather than expecting a single best method to cover all problems.
Sites such as The Internet Public Library, and Infomine maintain collections of links to databases and other high-quality sources of information.
