There are specialized reference resources in all branches of linguistics. Most of these resources can be found either electronically or in the 9th floor reference area.
Specialized titles
Andrew Hippisley and Gregory Stump. Cambridge Handbook of Morphology. Cambridge, United Kingdom : Cambridge University Press 2016
Handbook of Morphology. Oxford & Malden, Mass.: Blackwell, 2017. (Previous edition is available in print Reference Collection, 9th floor, P241 .H36 1998).