Alternate title: [Up the ladder]Phys. Description: 38 p. ; 28 cmPub Date: Vol. 1, no. 1 (May 17, 1911)-; Includes advertising at the end of the publication.
Phys. Description: 34 p. ; 28 cm; Pub Date: Vol. 1, no. 1 (May 17, 1911)-; Includes advertisting at the end of the publication.
Phys. Description: 33 p. ; 28 cm;Pub Date: Vol. 1, no. 1 (May 17, 1911)- ; Includes advertising at end of issue (p.33)
Phys. Description: 33 p. ; 28 cm;Pub Date: Vol. 1, no. 1 (May 17, 1911)-
Phys. Description: 38 p. ; 28 cm;Pub Date: Vol. 1, no. 1 (May 17, 1911)- ; Includes advertising at end of issue (p. 37)
Phys. Description: 24 p. : 31 cmNote: The first twenty-six numbers were reprints of Frank Starr's New York library; Includes advertising at end of issue (p. 24)
Phys. Description: 40 p. : ill. ; 31 cm; Note: Johannsen I, 205-250;Illustrated wrappers; The first twenty-six numbers were reprints of Frank Starr's New York library; Includes advertising at end of issue (p. 40)
