museum of literature; literary museum
A museum focused on literature, often featuring exhibits on authors, manuscripts, and literary history.
A new museum of literature will open next month.
At that literary museum, original manuscripts of famous authors are on display.
美術館 is an art museum, focusing on visual arts, whereas 文学館 centers on literary works and authors.
museum of modern literature
Compound of 文学 (ぶんがく, 'literature') and 館 (かん, 'hall' or 'building'), following the common pattern for naming specialized museums.