Because non else would
In the early 1640s, the bookseller George Thomason started collecting the growing numbers of pamphlets being published in London. Like any serious collector, he imposed order on his collection, annotating the front of pamphlets with the day he acquired them. But occasionally, you also find other marginalia, like on the title page of this printed sermon (the capital for which was presumably paid for by the author):
From Thomas Cheshire, A sermon preached at Saint Peters Westminster on Saint Peter’s Day (London, 1642).