Saya mau tau Sumber Primer dari Andrew Johnson. Jelaskan dalam bahasa jawa

Ralph W. Haskins, LeRoy P. Graf, and Paul H. Bergeron et al., eds. The Papers of Andrew Johnson 16 volumes; University of Tennessee Press, (1967–2000). ISBN 1-57233-091-0. Includes all letters and speeches by Johnson, and many letters written to him. Complete to 1875.