Merkel R. S. batiste // Fairchild's Dictionary of Textiles — FairchildFashionMedia, 1996. — P. 45. <a href="https://wikidata.org/wiki/Track:Q28888841"></a><a
, Merkel R. S. jersey // Fairchild's Dictionary of Textiles — FairchildFashionMedia, 1996. — P. 296. <a href="https://wikidata.org/wiki/Track:Q28888841"></a><a
Merkel R. S. calico (sense 1) // Fairchild's Dictionary of Textiles — FairchildFashionMedia, 1996. — P. 86. <a href="https://wikidata.org/wiki/Track:Q28888841"></a><a
S. cuprammonium rayon // Fairchild's Dictionary of Textiles — FairchildFashionMedia, 1996. — P. 156. <a href="https://wikidata.org/wiki/Track:Q28888841"></a><a
Merkel R. S. Georgette // Fairchild's Dictionary of Textiles — FairchildFashionMedia, 1996. — P. 243. <a href="https://wikidata.org/wiki/Track:Q28888841"></a><a