The official discovery circumstances for the numbered minor planetsare maintained by the Minor Planet Center. The discovery detailsare available via the links on this page and have been split into batchesof 5000 consecutive objects for ease of access (each file is roughly500K) [a text file containing the ASCII data for all the numbered objects isalso available (also available inGZip format)].
A collection of citations for all the named minor planets is given in theDictionary of Minor Planet Names by L. D. Schmadel and published bySpringer-Verlag.