+http://localhost:9763/search.pz2?session=9&command=search&query=computer&limit=subject%3DRailroads
+http://localhost:9763/search.pz2?session=9&command=show&block=1
+http://localhost:9763/search.pz2?session=9&command=search&query=computer&limit=date%3D1977
+http://localhost:9763/search.pz2?session=9&command=show&block=1