Exactly what it says on the tin.
an initiative of the Marlowe Society of America and the University of Melbourne. Its purpose is to facilitate scholarship on the works of Christopher Marlowe by providing a searchable annotated bibliography of relevant scholarship…
it lists books, articles, essays and critical editions, starting back in 1910. Sometimes there will be an abstract, sometimes a short description of the contents, sometimes just precise and complete bibliographical detail. The bibliography seems to have been last edited in early 2017 – with a further update scheduled for late August of the same year, which doesn’t seem to have been completed. Still, the list includes more than 1300 titles – which is quite impressive – and is well worth a look in general, and a relevant resource if you are interested in the subject.
You can find it here.