mine are seperate and yet together..
I have a section of 1930 (bookcase)
I have a section for fat quarters by color, by floral, by batiks (bookcase & cd racks)
I have a section for orientals (part of shelf)
I have a section for flannels (tubs mostly)
I have a section for holiday (tubs mostly each holiday has its own tub(s))
I have a section for WIPS (each in art bins with all fabric needed, pattern, thread.)
I have one section for everything else (bookcases of all the other cotton quilting fabric .5yd to 2ysd, folded by color)
I have two section for bolts ( bookcase & walk in closet)
Any older fabric to be used as backing goes in tubs where ever I can find space..