1 These are research materials that are necessary to perform research. 2  All inventions, discoveries and knowledge can become research tools. 3  Universities and public research institutions have many resources that can be considered research tools.
Waldo, Kansas. Waldo is a city in Russell County, Kansas, United States. As of the 2010 census, the city population was 30. Contents.
Waldorf Map â Satellite Images of Waldorf. detailed map of Waldorf and near places. Welcome to the Waldorf google satellite map! This place is situated in Rhein-Sieg-Kreis, Koln, Nordrhein-Westfalen, Germany, its geographical coordinates are 50Â° 46' 0 North, 6Â° 57' 0 East and its original name (with diacritics) is Waldorf.