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Files and notebooks: lists of crosses, field notes on seedlings and families indicating initial selections, discards, flowering date, notes on fruit, etc.

Includes summary of Biffen's crosses (1930). Mainly in annual files, also 2 miscellaneous files covering whole period.

Lists and notes on seedlings, mainly by location/date. First two include list of surviving seedlings from crosses 1928/30-1946.

General background material on strawberries and strawberry breeding: reprints, catalogues and notes.

Letter Long Ashton Research Station to Charles Wright, School of Agriculture, Cambridge re strawberry varieties ordered on his behalf.

Descriptions of US strawberry varieties grown on 'Youngman's field'.

Reports from growers on grower trials of Cambridge selections in various parts of the country. Also list of trials 1947.