Dr José Vergara,
Blbllotecpi de la Clencla
Feonoraica,
Barbara de Braganza 12,
MADRID.
Dear Sir,
By letter of December the 7th I sent you the further
changes for TNTFRNATIONAL ECONOMIC COOPKRATIOK by Professor
Tinbergen. The letter came back today because your blbltoteca
was unknown at the new aidress Alcala 1*^5 you wrote us in
your letter of November the 20th. For your Information T enclose
both the letter and the envelope and I would very much like
to receive the address to which I can send the changes.
Yours very sincerely.
