SPECIAL COpLECTIONS Lisbon. Sal&o de aerofilatelia, lst, 1971.
SCG Catalogo. CLisboa, Grafica universal,lda, 1971] +POTL -L68A folder(ChIp.) 21cm.
Organized by the Clube filatélico de Portugal.
1. Postage-stamps--Exhibitions. 2. Postage- stamps--Topics--Aviation. I. Clube filatélico
de Portugal.