Sentence:  New Product Introduction for Small Business Owners , 30 cents ; Developing and Selling New Products , 45 cents ; U.S. Government Purchasing , Specifications , and Sales Directory , 60 cents , are available from the Superintendent of Documents , U.S. Government Printing Office , Washington 25 , <WSD>D.C.</WSD> . 
Meaning of the word marked with <WSD> tags:  the district occupied entirely by the city of Washington; chosen by George Washington as the site of the capital of the United States and created out of land ceded by Maryland and Virginia