B.H. Records wasn't the first of the long running Rock-O-Rama sub-labels, but it more or less became the primary sub-label during the hiatus of the RCD series. B.H. may have been a reference to Blood & Honour, but it was not affiliated with the Blood & Honour organization. It is also possible that it was a resurrection (or at least a derivative) of the "Big H" label name which was Herbert's first label, which issued bootlegs of old records from the 1950's and 1960's.
There were a few numbering errors in this series, with two releases for number 34 and two for number 37. It is likely that number 35 was supposed to be number 21, which was skipped, as the matrix code for 35 indicates that it should have been 21. This would leave 35 vacant, which means one of the 34s could have taken that spot. There is no number 38, so it seems likely that one of the 37s could have been intended for that spot. To add to the confusion, 36's matrix code indicates it was intended for number 27, but there is a release for number 27, however it was from a year or so later than the adjacent numbers. Other numbers for which there are no known releases are 13, 40 and 63.