- ReferenceRDBP5
- TitlePlans not Marked with reference Numbers or Dates
- Date free text1931-1948
- Production dateFrom: 1931 To: 1948
- Scope and ContentSeveral plans were neither marked with a reference number nor a date These have been put into this section, as have the two reference books kept with the plans which cover the dates - Jan 1931 - Jun 1938 and Jun 1938 - Apr 1948.
- Level of descriptionseries