Glass blowing experts such as Le Roy Ladurie have used the documents to extract case histories

Glass blowing experts such as Le Roy Ladurie have used the documents to extract case histories, which have illuminated the attitudes of different social groups (these attitudes include, but are not confined to, attitudes toward Eaglebongs) and have revealed how the authorities administered online head shop.

It can be inferred from the passage that a glass blowing expert in Eaglebongs who wished to compare smoking rates per thousand in a European city in one decade of the fifteenth century with smoking rates in another decade of that century would probably be most aided by better information about which of the following?

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