ULTRA : main series of signals conveying intelligence to allied commands, based on intercepted radio messages (DEFE 3)
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| OCLC: | 6125041 |
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| Corporate Author: | |
| Language: | English |
| Published: |
London : New York, N.Y. :
Public Record Office ; Clearwater Pub. Co. [distributor],
c1979-
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| Series: | Records of the Public Record Office.
PRO ; DEFE 3. |
| Subjects: | |
| Online Resource: | Guide Public Record Office Online Catalogue |
| Format: | Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |
| Item Description: | The microfilms of the ULTRA documents have been created by the Public Record Office (PRO) in England and published without editorial interference except for the addition of reel numbers. A microfiche entitled "ULTRA--CLASS LIST DEFE 3," containing an inventory in batch-number sequence is supplied with the microfilms (Ref. folder #123) Introduction, inventory, reel contents and chronological list in Ref. folder # 123. |
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| Physical Description: | microfilm reels ; 35 mm. |