https://www.pcgamer.com/this-stardew-valley-mod-helps-you-manage-the-pesky-museum-and-library/

I think we can all agree* that the town museum-cum-library is the worst part of Stardew Valley to interact with. You have to donate a new object to rearrange it. You have to save room in your inventory for the junky books you find, maybe even throw out something you desperately need—obnoxious when the books are spawned randomly. There’s a mod that fixes these problems: The very pragmatically named Archaeology House Content Management Helper. 

It fixes my clunky interface problems, and a bit more besides: