Brief biographical entries on 700 historical figures contemporary to Shakespeare's time. G.K. Hall, 1993. A selective list of Shakespeare criticism in the twentieth century. This bibliography is an excellent place to start a search for criticism. Selective bibliography of works published between 1930 and 1970.
Most works are in English though there are a few listings in other languages.
Useful for exploring the literature of the recent past. Oxford University Press, 1973. Not a comprehensive bibliography but a critical guide to reading in the vast literature on Shakespeare. Still a useful introduction to the standard literature. Vol.1 - .