Boletim da Inspectoria Federal de Obras contra as Seccas.

v.4 1938 Jan; v.4 1938 Feb; v.5 1939 Mar; v.6 1939 Sep; v.6 1940 Mar-May; v.6 1940 Jun; v.6 1940 Aug; v.7 1940 Sep-Nov; v.7 1940-1941 Dec-Feb; v.7 1941 Mar-May; v.7 1941 Jun-Aug; v.8 1941 Sep-Nov; v.8 1941-1942 Dec-Feb; v.8 1942 Jun-Aug; v.9 1942 Sep-Nov; v.9 1942-1943 Dec-Feb; v.8 1943 Mar-May; v.9 1943 Mar-May; v.9 1943 Jun; v.9 1943 Aug; v.10 1943 Sep-Nov; v.10 1943-1944 Dec-Feb; v.10 1944 Mar-May; v.10 1944 Jun-Aug; v.11 1944 Sep-Nov; v.11 1944-1945 Dec-Feb; v.11 1945 Mar-May; v.11 1945 Jun-Aug; v.12 1945 Dec; v.12 1945 Sep-Nov; v.12 1945-1946 Dec-Feb; v.12 1946 Mar; v.12 1946 Apr; v.12 1946 May; v.12 1946 Jun-Aug; v.12 1946 Aug; v.13 1946 Oct; v.13 1946 Dec; v.13 1946 Sep; v.13 1946 Nov; v.13 1948 Jan; v.13 1948 Feb; v.13 1948 Mar; v.13 1948 Apr; v.13 1948 May; v.13 1948 Jun; 1950 v.1; 1950 v.2; 1951-1954; 1955 no.1; 1955 no.2; 1956 no.3-4; 1957-1958; 1959-1960; 1963-1964; 1966-1969; 1970; index no.101-147 1953