To safeguard usability, all dashes in titles, signatures and other textual material quoted from magazine have been converted into en dashes.
To accommodate the many “accounts” of stage performances, the dates given for plays, operas and ballets in the Notes always pertain to their first staging, not to their first publication.
There are several ways to search for information in Excel documents, and which ones work best largely depends on personal preference. For the columns with a discrete number of possible entries (Genre, Subgenre, Tags) applying a filter is usually the quickest way to retrieve information. Otherwise, you may find a regular search query more efficient.