Timeline CRAs By grupo5periodismo 1832 Henry Poor: 1st publication. The American Railroad Journal 1841 1st CRA Dun & Bradstreet 1868 1st volume "Poor's manual of the railroads of USA" 1909 Moody's "Analyses of Railroad Investments". Investor paying model. 1914 Fitch Rating Scale 1934 SEC origin New regulations 1970 Issuer Paying Model Model change 1975 NRSROs Big three recognition 1980 CRA Growth & Expansion