HISTORY RESOURCES AND RESEARCH TOOLS

USEFUL TOOLS

Calculate Day of the Week

Calculate Duration Between Two Dates

Calculate Inflation; future value of yesteryear's dollars.

HP 12c Reverse Polish Notation (RPN) & Financial Calculator [Click To Use]

   || Quick Start || Official User's Guide || Video: How RPN Calculators Work ||

Roman Numeral Converter

MAP TOOLS

|| Map Radius || Map Area || Distance || Elevation || Coordinates || Map Area || 

GOOGLE EARTH DESKTOP (Fully-Functional) - Free

GOOGLE EARTH INTERNET (The Basics) - Free

EARTH POINT - cool tools for Google Earth

CHICAGO RESOURCES

Chicago Current District Names.

Chicago Current Street Names with Suffixes. 

Chicago Landmarks

Chicago Landmark Districts.

Chicago Street Renaming Document, 1909
Chicago Street Renumbering Document, 1909
Chicago Street Renumbering Document for Downtown (Loop) Addresses 1911.

Chicago Tribune Newspaper Archive

ILLINOIS RESOURCES

|| Illinois Secretary of State || Corporate & LLC Business Search ||

National Historic Landmarks in Illinois List ||

GENERAL RESEARCH, NEWSPAPERS, ETC.

Digital Commons Network;100s of papers from worldwide universities & colleges.

Historic American Newspapers

Library of Congress

Library of Congress z39.50 Gateway; Library Catalogs. [about z39.50] 

National Archives and Records Admin 

Newberry Library, Chicago

Schwinn Bicycle Company (Chicago): history, catalogs, parts & accessories, plus.

Smithsonian Institution Research Information System (SIRIS)