Defending tax-funded navigation.
D016206:Databases, Bibliographic / Q000191:economics; D005380:Financing, Government; D007256:Information Systems; D020407:Internet; D009317:National Library of Medicine (U.S.); D011057:Politics; D017149:Private Sector; D017150:Public Sector; D011643:Publishing; D013660:Taxes; D014481:United States