REMOVE

1. Philadelphia (Pa.)
2. Mitchell, Samuel Augustus
3. S.A. Mitchell

WHAT

1. Atlas Map (3)
2. World Atlas (3)

WHERE

1. Pennsylvania (3)
2. New Jersey (1)
3. New Jersey (N.J.) (1)

WHO

1. Barralet. (1)
2. Burroughs, H.N. (1)
3. Gamble, W. H. (1)

WHEN

1. 1846 (1)
2. 1849 (1)
3. 1880 (1)