Do you want to use them or are you just using them for decoration?

If you want legal text books, ask around the attorneys in your practice if they have any they'd donate to your cause.
Most of the records of legal cases (federal supplements, cjs, etc...) are better done on-line these days rather than slogging through the published books. These older ones you can usually find being thrown out by anybody who had a decent legal library in the day. They'er commonly used for decoration in furniture stores.
I spent my entire childhood with a Martindale-Hubble volume holding up the end of the sofa that had a broken leg.