Depends on where you are. Yes, you can glue up pieces, but best if they are well matched. This is not a lumber yard or box store purchase. You need a yard that specializes in hardwoods. You may also want to find a custom sawmill if such a thing exists near you. Finally, older trees on an urban environment can be a source of great wood if they are being taken down for safety purposes. Yu need to find a good custom sawyer for this.