LC control no. | n 84805908 |
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Personal name heading | Perry, John, 1850-1920 |
Found in | LCCN 8-12025: His Practical mathematics, 1907 (hdg.: Perry, John, 1850-1920; usage: John Perry) LC data base, 10-31-84 (hdg.: Perry, John, 1850-1920) |