Electrical world.

v.47 Jan.-June 1906; v.48 July-Sept. 1906; v.48 Oct.-Dec. 1906; v.49 Jan.-June 1907; v.51 Jan.-June 1908; v.52 July-Dec. 1908; v.53 Jan.2-June 24 1909; v.53 Jan.-June 1909; v.54 July-Dec. 1909; v.55 Jan.-June 1910; v.56 July-Dec. 1910; v.57 Jan.-June 1911; v.58 July-Dec. 1911; v.59 Jan.1-June 30 1912; v.59 Jan.-June 1912; v.60 July-Dec. 1912; v.61 Jan.4-June 28 1913; v.61 Jan.-June 1913; v.61:pt.1 (1913); v.61:pt.2 (1913); v.62 July-Dec. 1913; v.62:pt.1 (1913); v.62:pt.2 (1913); v.63 Jan.-June 1914; v.63:pt.2 (1914:Apr.-June); v.64 July-Dec. 1914; v.64:pt.1 (1914); v.64:pt.2 (1914); v.65 Jan.-June 1915; v.66 July-Dec. 1915; v.66:pt.1 (1915); v.66:pt.2 (1915); v.67 Jan.-June 1916; v.67:pt.2 (1916); v.68 1916; v.68 July-Dec. 1916; v.69 1917; v.69 Jan.-June 1917; v.69:pt.1 (1917); v.69:pt.2 (1917); v.70:pt.1 (1917); v.70:pt.2 (1917); v.71 Jan.-June 1918; v.71:pt.2 (1918); v.72 July-Dec. 1918; v.72:pt.1 (1918); v.72:pt.2 (1918); v.73 1919; v.73 Jan.-June 1919; v.73:pt.2 (1919); v.74 July-Dec. 1919; v.74:pt.1 (1919); v.75 1920; v.75 Jan.-June 1920; v.75:pt.1 (1920); v.76 July-Dec. 1920; v.77 Jan.-June 1921; v.78 July-Dec. 1921; v.79 Jan.-June 1922; v.80 July-Dec. 1922; v.81 Jan.-Feb. 1923