'Turkish bath anniversary' Brooklyn Daily Eagle (7 Oct 1893) p.2
6.
Polk's medical register and directory of North America. 1914-15
7.
'The History and therapeutic use of the Turkish bath' / R E Van Giesen Medical and surgical reporter, Pennsylvania (26 Oct 1872) pp.381-387
8.
This information comes from an as yet unidentified issue of the Brooklyn Standard Union published some time between September and December 1863. It was cited on a website which is no longer online and hasn't, so far, be traced.
9.
Turkish baths: no. 63 Columbia Street, Brooklyn Heights, N.Y. / Charles H Shepard. — New York : the baths, [1863]
10.
'The Turkish baths in Brooklyn' Brooklyn Daily Eagle (19 Oct 1863) p.3
11.
'The Turkish bath, as I found it' / "D.H.J" Brooklyn Daily Eagle (26 Sep 1864) p.2
12.
'The Turkish bath establishment' Brooklyn Daily Eagle (10 Dec 1866) p.9
13.
'The Hammam' Brooklyn Daily Eagle (3 Apr 1867) p.2
14.
'Dr Shepard's Turkish bath: the first establishment in this country' Brooklyn Daily Eagle (14 Dec 1880) p.2
15.
'A New Turkish bath' Brooklyn Daily Eagle (9 Aug 1879) p.3
16.
Rheumatism and its treatment by Turkish baths/ Charles H Shepard. — New York : [the baths], 1892
17.
'Hydrophobia' / Charles H Shepard J. Am. Med. Assoc. 1897
18.
['Farewell to the grip'] Brooklyn Daily Eagle (10 Feb 1899) p.2
19.
The Eastern, or Turkish bath… / Erasmus Wilson. — New York : Miller, Wood & Co., 1867. — p.61
20.
The Eastern, or Turkish bath… / Erasmus Wilson. — New York : Miller, Wood & Co., 1867. — pp.64-5
21.
The New York Hygienic Institute. — New York : Wood & Holbrook, 1870
22.
'Turkish baths' [advertisement] Brooklyn Daily Eagle (3 Jan 1867) p.1
23.
'A Luxurious institution: the new Turkish bathing establishment on Clinton Street' Brooklyn Eagle (22 Apr 1880) p.2
24.
The medical and surgical uses of electricity/ A L Wood and and B C Woodruff. — Brooklyn :
The Brooklyn Turkish Bath Co, 1893
25.
Old Brooklyn Heights: New York's first suburb… / Clay Lancaster. — 2nd ed, with a supplement of new photographs / Edmund V Gillon. — New York : Dover, 1979. — p.67
26.
'Dr Shepard's… [advert]' Upington's General Directory of the Borough of Brooklyn
(1908) p.908