The Leiden Working Papers in Linguistics vol. 3.2 (special issue on agreement) is available online. Here is the table of contents:

Jonathan David Bobaljik (University of Connecticut): Where’s Φ? Agreement as a post-syntactic operation.
Marjo van Koppen (Utrecht University): One Probe, Multiple Goals: the case of First Conjunct Agreement.
Jan-Wouter Zwart (University of Groningen): Complementizer agreement and dependency marking typology.