Land Books in Ontario are basically a summary of land grants. They rarely contain more info than name, date and location. Sometimes they have little gems in the comment section.
But they're helpful because if you can't find a petition in the Upper Canada Land Petitions (UCLP) it may be in the Land Book so at least you have some record of the event.
The Upper Canada Land Record Books record the minutes of the meetings of the Executive Council of the Land Board which were held between the years 1791 and 1847. Petitioners for land were settlers, military claimants, and Loyalists. Land Books are the Orders-in-Council issued by the Lieutenant Governor, authorizing the sale, lease or free grant of crown lands to petitioners
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