I do not have J.C. Dicks book but the quote you give in your post @ 6.09 AM looks as if it could be the one I vaguely remember. This will save me a lot of time, I had thought it may be in his extensive correspondence.

Anent Sigrid Rieuvert---was she the lady who got the first entry of the gypsies to these shores out by upwards of 60yrs. ie. giving it as in the 16th C. rather than the 15th. C.?.