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 ::I've been including dates in the ""Other Appearances"" for two reasons, first because there are four Monster Manuals, three Fiend Folios, three Draconomicons, two Forgotten Realms Campaign Settings, two Monster Manual IIs, etc. and dates are an easy way to distinguish those; and second because I thought it might be useful for people to be able to easily tell which appearances came first. (I wouldn't include dates outside of that column unless I was referencing one of the repeat-name products.) You are dead right about the product codes, FRX1 and FRB1 were internal TSR codes assigned to those products, but never used on the products themselves, and TSR didn't assign codes to everything. I have only included the codes when they were actually printed on the sourcebook, but even that isn't always helpful, RR6 is mislabeled RS1, for example. I'm happy to drop the codes entirely from the cross-referencing, and perhaps only mention them under the main entry for that product. 
 I'm not sure if we should be including the name of the campaign setting as part of the product. In most cases, the campaign setting wasn't part of the official product title. ""Golden Voyages"", for example, appears in the 1992 TSR catalog as ""ALQ1, Golden Voyages"" (heading) and just ""Golden Voyages"" in the descriptive text, rather than ""Al-Qadim - Golden Voyages"". Again, however, there are exceptions to this, such as the 1993 ""Forgotten Realms Campaign Setting"". 
 Given how frequently the product titles appear in the Other Appearances column, I suspect that the best strategy might be to keep the titles as simple as possible, i.e. just ""Golden Voyages"" and not ""Al-Qadim - Golden Voyages"" or ""ALQ1 - Golden Voyages"", it shouldn't be too hard for someone to do a search for that title, and as the lists of monsters are expanded, those titles can be linked to monster listing for the cross-referenced product. 
 So, I think my proposal for a standard would be: No product codes, no campaign setting, but the year included at least for the Other Appearances references. I'm ambivalent about the italics, but tending towards worrying about those when links to those products monster lists are added ;).   "