An ingenious Victorian Metamorphic Combination Table, Desk and Chair (shown open and closed above) was made of oak after a design by Stephen Hedges. Other similar examples are housed in museums in New York and New Orleans.
A Wooten American Renaissance Revival Walnut Patent Desk: Wooten Extra Grade Wooten Desk Company, Indianapolis, Indiana, circa 1874 Marks: Manufactured Buthe WootenDesk Co IndIanapolis Ind. Pat Oct 6 1874 75 x 46 x inches x x cm). This a very fancy one.
I love this idea: "Find a china hutch or curio cabinet on Craigslist, paint it black, and repurpose it into an antique book cabinet." I could do this with my curio cabinet, or the maple hutch in the corner.