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Speech https://books.google.com/books?id=HGM9AQAAMAAJ&pg=PA5172&lpg=PA5172&dq=%22Worse+than+any+heathen+or+pagan+abroad+are+those+in+our+midst+who+are+false+to+our+institutions.%22&source=bl&ots=n-wpUEfhND&sig=wHyJSOd8M1rswurZUUnUgAFrTn0&hl=en&sa=X&ved=0ahUKEwjXtt2swKjLAhWFGD4KHWCjBDsQ6AEIHDAA#v=onepage&q=%22Worse%20than%20any%20heathen%20or%20pagan%20abroad%20are%20those%20in%20our%20midst%20who%20are%20false%20to%20our%20institutions.%22&f=false (4 July 1870)
https://scholarship.law.duke.edu/cgi/viewcontent.cgi?article=6444&context=faculty_scholarship
1860s, Our Composite Nationality (1869)
“Citizenship is not a gift we can afford to keep giving away.”
Source: 2010s, 2015, Crippled America: How to Make America Great Again (2015), p. 28
                                        
                                        Speech before the Naval War College, Newport, Rhode Island (June 1897), reported in "Washington’s Forgotten Maxim", American Ideals (1926), vol. 13 of The Works of Theodore Roosevelt, national ed., chapter 12, p. 198 
1890s
                                    
                                        
                                         Thank You Tour - Cincinnati, Ohio https://www.youtube.com/watch?v=PBqIUF-cdgY#t=15m38s (01 December 2016) 
2010s, 2016, December
                                    
                                        
                                        The Crisis No. XIII 
1770s, The American Crisis (1776–1783)
                                    
                                        
                                        volume II; lecture 26, "Lorentz Transformations of the Fields"; section 26-1, "The four-potential of a moving charge"; p. 26-2 
The Feynman Lectures on Physics (1964)
                                    
1920s, Whose Country Is This? (1921)
U. S. Senate, Committee on Energy and Natural Resources. Hearings on sovereignty under S. 472 (June 23, 1998)
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        