Photo-era.

v.1-2 (1898-1899); v.3-4 (1899-1900); v.5 no.1 July 1900; v.6-7 (1901); v.8-9 (1902); v.14-15 (1905); v.16 (1906); v.17 (1906); v.18 (1907); v.19 (1907); v.20 (1908); v.21 (1908); v.22 Jan.-June 1909; v.22-23 (1909); v.23 July-Dec. 1909; v.24 Jan.-June 1910; v.24-25 (1910); v.25 July-Dec. 1910; v.26 Jan.-June 1911; v.27 July-Dec. 1911; v.30 Jan.-June 1913; v.31 July-Dec. 1913; v.32 Jan.-June 1914; v.33; v.33 July-Dec. 1914; v.34 Jan.-June 1915; v.35; v.35 July-Dec. 1915; v.36-37 (1916); v.36 Jan.-June 1916; v.37 July-Dec. 1916; v.38 Jan.-June 1917; v.38-39 (1917); v.39 July-Dec. 1917; v.40-41 (1918); v.42-43 (1919); v.43 July-Dec. 1919; v.44; v.44-45 (1920); v.44 Jan.-June 1920; v.45; v.45 July-Dec. 1920; v.46; v.46 (Jan.-June.1921); v.47 (July-Dec.1921); v.48; v.48 (Jan.-June.1922); v.49; v.49 (July-Dec.1922); v.50; v.50 (Jan.-June.1923); v.51; v.51 (July-Dec.1923); v.52 (Jan.-June.1924)