| 1. |  | Calvin and Grace Coolidge Plant a Tree on Arbor Day | Coolidge, Calvin, 1872-1933; Coolidge, Grace Goodhue, 1879-1957; Presidents--United States; Presidents' spouses--United States; Arbor Day; Tree planting; Governors--Massachusetts; State House (Boston, Mass.) | Governor Calvin Coolidge and his wife Grace plant a tree at the State House in Boston in celebration of Arbor Day |
