BTO Archives

A selection of BTO survey recording cards

The archives consist of :

- Original data generated by BTO surveys, with supporting documentation and correspondence
- Personal papers and correspondence of some of the founders, prominent staff and members
- BTO governance and other unpublished documents: committee minutes, conferences, publicity leaflets and much more

Personal visits to use the archives are welcome but please contact in advance.

For general enquiries please email archives [at]

View a list of current and completed BTO surveys with links to active web pages and PDF summaries.

View more information on current surveys.

Request data from one or more surveys  or email datarequests [at]

Search the Library Online Catalogue which describes details of archive holdings.

Back to Library Home Page                                                               

Related content