2 minute record numbers

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The 2 minute pdf that I have shows blocks of numbers not used in the domestic catalog. If I have records in those blocks, are they from foreign Edison catalogs or another manufacturer. For example

320
378
452
743
749
753
757
761
768
775
782
830
836
837
838
842
855
862
892
896
940
941
949
954
954
960
960
966
971
973
977
986
989
997
1145
1149
1164

[shopdoc]

I just found my UCSB international record guide, and voila, there are those numbers. I'll have to compare titles, but I'm relieved that I wasn't likely to be completely messing up