Bulletin of the Pan American Union.

v.1; v.4 (1896-97); v.5:1 (1897); v.5:2 (Jan-June 1898); v.6:1; v.6:2; v.7; v.8 (Jan-June 1900); v.10; v.11; v.12; v.13; v.14; v.15; v.16; v.18; v.20; v.21; v.22; v.24 (1907); v.25 (1907); 27:1-3 (1908 Jul-Sep); 28:1-3 (1909 Jan-Mar); v.27; v.28; v.30; v.30-31 (1910); v.31; v.32 (1911); v.33; v.33 1911; v.33-34 (1911-1912); v.34 1912; v.34 1912 JAN-JUN; v.35; v.35 1912; v.35-36 (1912-1913); v.36 1913 JAN-JUN; v.36 (1913); v.37; v.37 (1913); v.37 1913 JUL-DEC; v.38 (1914); v.38 1914 JAN-JUN; v.39 1914; v.39 1914 JUL-DEC; v.40 1915; v.40 1915 JAN-JUN; v.41 1915; v.41 1915 JUL-DEC; v.39-40 (1914-1915) + v.43 (1916) incomplete; v.42 1916 JAN-JUN; v.42 (1916); v.43 1916 JUL-DEC; v.43 (1916); v.44 1917; v.44 1917 JAN-JUN; v.45 1917; v.45 1917 JUL-DEC; v.44-47 (1917-1918); v.46 1918 JAN-JUN; v.46 (1918); v.47 1918; v.47 1918 JUL-DEC; v.48 (1919); v.48-49 1919; v.48 1919 JAN-JUN; v.49 1919 JUL-DEC; v.49 (1919); v.50; v.50-51 (1920); v.50 1920 JAN-JUN; v.51; v.51 1920 JUL-DEC; v.52; v.52-53 (1921); v.52 1921 JAN-JUN; v.53; v.53 1921 JUL-DEC; v.54-55 (1922); v.54 1922 JAN-JUN; v.54 (1922); v.55; v.55 1922 JUL-DEC; v.56; v.56-57 1923; v.56 1923 JAN-JUN; v.57; v.57 1923 JUL-DEC; v.58; v.58 1924; v.59 1925; v.60; v.60 1926; v.61; v.61 1927; v.62; v.62 1928; v.63; v.63 1929; v.64; v.64 1930; v.65; v.65 1931; v.66 1932; v.67 1933; v.68 1934; v.69 1935; v.70; v.70 1936; v.71 1937; v.72; v.72 1938; v.73 1939; v.74; v.74 1940; v.75 1941; v.76 1942; v.77 1943; v.78; v.78 1944; v.79 1945; v.80; v.80 1946; v.81; v.81 1947; v.82; v.82 1948; v.82 1948 JAN-OCT