For your research on writer's materials from prelims and bequests, the Literary Archives of the Austrian National Library are the right place and you are most welcome.
The State Hall and all museums of the Austrian National Library will be open on Easter Monday, April 21, 2025 from 10 a.m. to 6 p.m.
The reading rooms at Heldenplatz will be closed from Good Friday, April 18, 2025 until Easter Monday, April 21, 2025.