1To Thomas Jefferson from John Crawford, 18 October 1803 (Jefferson Papers)
It is an advantage peculiar to the inhabitants of this country, that they may address their first Magistrate on a subject of adequate importance, without incurring the imputation of being presumptuous. In other countries they are restrained by a fear of having their suggestions with-held from his view by minions who dread an interference with their power, or a disclosure of their own improper...
2To Thomas Jefferson from John Crawford, 18 August 1807 (Jefferson Papers)
I take the liberty to solicit your attention to some remarks I have given to the public, on Quarantines, in the accompanying weekly paper. It is a great national object. I have been assiduously studying the subject with which it is intimately connected, the cause of death, and consequently of disease in every animal for more than seventeen years. I have conceived that whilst the view I have...
3To Thomas Jefferson from John Crawford, 1 December 1808 (Jefferson Papers)
I have occasionally taken the liberty to address you on subjects which appeared to me to be of importance; the events to which some of them referred have not been yet accomplished, which leave their correctness problematical; but the complacency with which you honoured my attempts encourages me once more to intrude upon your valuable time, at this momentous crisis. In the periodical work, the...
4John Crawford to Thomas Jefferson, 17 December 1811 (Jefferson Papers)
In 1808 I did myself the honourr honour to forward to you a periodical paper, the Observer, then published here, in which I made some communications on the cause and seat of diseases. I have been engaged with that subject ever since, in composing Lectures which I hope to deliver this winter. I presume to think I have brought it to a considerable degree of perfection and trust I shall be able...