Acknowledgements

LL 1-2 and LL 3122-3123 of "Penny, or Penny's Hat" are based on one of a series of poems by Ray Heinrich that were inspired by a usenet post by a Peter J. Ross entitled "Batty", published on rec.arts.poems in 2009.  
https://groups.google.com/forum/?hl=en#!original/rec.arts.poems/2o1AFkTZnMw/gqFPvi8OVn0J

The colours used in "Betty's Hat" and their hexadecimal RGB values given in "Betty's Appendix" were compiled with the help of the following articles and sites:

Vitaly Ashkinazi & Elena Severinova, "Colour Words", ESP World, Oct. 15, 2009.
http://www.esp-world.info/Articles_1/colour.html

California Paints, "Historic Colors of America".
http://www.californiapaints.com/2Colors/HisColAmerica.html

Stephen Chrisomalis, "Colour Terms", The Phrontistery, 2007.
http://phrontistery.info/colours.html

Colour Lovers.
http://www.colourlovers.com

Crayola LLC.
http://www.crayola.com

evad, "Lesser-Known Color Vocabulary", Color + Design Blog, Colour Lovers, Mar. 19, 2009.
http://es-es.colourlovers.com/blog/2009/03/19/lesser-known-color-vocabulary-a-through-c

Daniel Flück, "Color Name & Hue", Colblinder, Jan. 11, 2008.
http://www.colblindor.com/color-name-hue/

John C. Foster, "ISCC-NBS Dictionary of Colo(u)r Names (1955)", Texas Precancel Club, April 4, 2006.
http://tx4.us/nbsnotes.htm

John C. Foster, "NBS/ISCC Color System (Retsof online version)", Texas Precancel Club, June 8, 2007.
http://tx4.us/nbs-iscc.htm

Aubrey Jaffer, "Color Name Dictionaries", MIT Computer Science and Artificial Intelligence Laboratory, 2009.
http://people.csail.mit.edu/jaffer/Color/Dictionaries

"List of colors", Wikinfo.
http://www.wikinfo.org/index.php/List_of_colors

"List of Crayola crayon colors", Wikinfo.
http://www.wikinfo.org/index.php/List_of_Crayola_crayon_colors

Chirag Mehta, "Name That Colour", Chir.ag, Aug. 16, 2007.
http://chir.ag/projects/name-that-color/

David A. Mundie, "The NBS/ISCC Color System", Polymath Systems, 1995.
http://www.anthus.com/Colors/NBS.html

Resene Paints Limited.
http://www.resene.co.nz

Kevin J. Walsh, "RGB to Color Name Mapping (Triplet and Hex)", August 4, 2008.
http://web.njit.edu/~kevin/rgb.txt.html

Wiktionary.
http://en.wiktionary.org/wiki

"X11 color names," Wikinfo
http://www.wikinfo.org/index.php/X11_color_names