In the preparation of this work the compiler has been greatly assisted by some of the most prominent citizens of both counties. Some of whom are authors of literary works of great merit. Among those who have contributed to the general chapters of this work, we may be permitted to mention Rev. Henry Vchslage, of Irvington, for the first chapter in the first volume; Prof. George H. Cook,'of New Brunswick, for article on the Basaltic Formation of First Mountain; Hon. Frederick E Ricord, of Newark, for the Early Courts and Bench and Bar, and the Medical Chapters of Essex County, Education in Newark, and Medical Chapter of Hudson Countv; R. Parker: of Newark, the chapter on Taxes and Money in New Jersey before the Revolution; Henry Farmer, of Newark, for the chapters on Railroads, the Morris and Essex Canal, Old Roads and Bridges and Street Railroads in both counties; Hon. P. T. Quinn, of Newark, for the Agricultural and Horticultural Interests of both counties; Hon. Charles H. Wuheld, of Jersey City, for chapter on the Capture of Paulus Hook by Maj. Lee, and on the Aﬂ'air at Block Honse Point, 1780; Hon. Jacob icart, of Jersey Citv for Bench and Bar of Hudson County; Edward S. Peck, Esq., oi' New York City, for the Educational Interests oi' Hudson County. For the History of the Revolutionary \var we are indebted to Hon. W'illiam S. Stryker, from whose Officers and Men of New Jersey in the Revolutionary far it was taken; and for War of 1861 — 5 to New Jersev in the Rebellion, by John Y. Foster; and to Samuel Toombs, of Orange, for sketch and roster of the Thirteenth Regiment.