1. “Increase in Resistance of Tubercle Bacilli to Streptomycin: A Preliminary Report”;Youmans;Proc. Staff Meet., Mayo Clin.,1946
2. “Para-aminosalicylic Acid in the Treatment of Tuberculosis”;Lehmann;Lancet,1946
3. “The Effect of Para-aminosalicylic Acid in Vitro and in Vivo on Virulent Human Type Tubercle Bacilli”;Youmans;Quart. Bull., North-western Univ. M. School,1946
4. “Experimentella forsok med para-aminosalicylsyra (PAS) och olika slag av bakterier”;Sievers;Svenska Lakartidningen,1946
5. “The Tuberculostatic Action of Para-aminosalicylic Acid”;Youmans;J. Bact.,1947