Throughout the database
B W refers to William Bateson
B B refers to  Beatrice Bateson (wife)
B Fe refers to Frederick Bateson (uncle)
B G refers to Gregory Bateson (youngest son)
B J refers to John Bateson (eldest son)
B Js refers to James Bateson (uncle)
B M refers to Martin Bateson (middle son)

Letter Reference Number: JI originals are numbered 1327-2000
Author: select entry from Author picklist or use SURNAME INITIAL (e.g. VAVILOV NI) or initials (e.g. B W)
Recipient: to specify Bateson as a recipient use B W (note space)
Document Location: Refers to to physical location in JI Archive
Document Date: use format MMM YYYY or YYYY