Lynda Johnson and Warrie Lynn conduct tour of White House; Lady Bird session with Robin Duke and dressmaker; Lady Bird's niece, Susan Taylor; Mrs. Paul Mellon, supplier of WH flowers; goodbyes to and gift from Queen Frederika; Cyprus, Vietnam and Panama; desk work with Ashton Gonella; visit of Dolph Briscoe; dinner with the Jack Brookses; movie, "Seven Days in May;" Warrie Lynn moves into WH; Lady Bird reminiscences of college days at University of Texas