Recherche dans la collection - Preliminary inquiries and investigations - [Various incidents]

For H.Q. WATFORD file, cross reference : RG 42, v. 427, 130-W7
For H.Q. CGS LADY LAURIER file, cross reference: RG 42, v. 419, 130-L19
For H.Q. CGS ACADIA and MAVIS BARBARA file, cross reference: RG 42, v. 410, 130-A22
For H.Q. KENKERRY file, cross reference: RG 42, v. 418, 130-K14
For H.Q. SILERYEW file, cross reference: RG 42, v. 717
For H.Q. ELLSWORTH and LUCILLE B. YOUNG file, cross reference: RG 42, v. 415, 130-E11
For H.Q. SS LANGLEERIDGE file, cross reference: RG 42, v. 419, 130-L21
For H.Q. EMPRESS OF BRITAIN file, cross reference: RG 42, v. 418, 130-K15
For H.Q. HURRY ON file, cross reference: RG 42, v.417, 130-H13
For H.Q. SS BERWINDLEA file, cross reference: RG 42, v. 411, 130-B14