Dave, Thanks for your reply. Much appreciated. If the CARING FOR COLLECTIONS book you referenced is the one I'm thinking about, the one edited by Konstance Bachmann(sp?), then it's already been gone through. This is a terrific resource--but it seems to deal primarily with conditions of storage, not conditions of exhibit. I don't have the book here at work with me--perhaps if you do, you could tell me the names of some of the essays which refer to my question--refresh my memory. I recently finished my comprehensive exams and I all but memorized that book. I had thought I could forget about all this stuff for a while but when friends ask, that's hard to do. (I don't know what happened here--big space) I realize that what I asked was a complex can of worms. In fact, I was sort of chastised in another message for asking. I know that proper conditions for composite objects is dependent on what materials form them. I just wanted to see if anyone out there had some good references about displaying fragile objects, not storing them. For example, for antique oak furniture (still in good condition) with deep crimson upholstery, how many footcandles of light is too much in one day--in one period of time? Can a piece be exposed to somewhat brighter light for short periods of time via a "sensor" system, whereby the visitor "controls" the light's being on or off by walking near the object? These are the kinds of questions we need reference to. Don't get me wrong. We know the information is out there and we've seen it. But it seems to be terribly dispersed--for example, the Butterworth books, Thomson especially, are good sources but have to be DUG through. The question still remains--does anyone have an idea on where to get a reference dealing with environmental problems and issues of objects on exhibit? And to the person who suggested the AIC and the NIC--thank you as well. I should have thought of that, but for some reason, my brain didn't work that fast yesterday. Thanks, Jennifer Schansberg National Park Service, NAGPRA intern Phone: (202) 343-1882 E-mail: [log in to unmask]