What to do with an Absolute Sound set?

I've started cleaning out my old audio magazines. Have hundreds of them from the early 70s until present. I've managed to get the first 70 issues of TAS in order and have about 25-30 other various issues. Does anyone have an idea of what this collection is worth?

Sure wish I had kept my all of my old Equipment Directories from Audio. I've only managed to find about a dozen of them - some with hardback covers. Sure wish they still put that issue out.