Over time, there should be contextual links on the topics of the articles that you read.
Meanwhile, just useful links:
"History Begins at Sumer"
by Samuel Kramer is very detailed study of Sumer's culture. They invented time as we know it
now, and mandatory education, and much more not so related to site's theme.
"Inka Initiation Path. The awakening of the Puma" - by James Arevalo Meredjildo (Malku).
Evidences of Archeo-astronomy in the Ands. A book writen by a real bearer of Indian tradition.
Calendar of the Human Body in the Pamir Mountains .
Most natural calendar should take into account not only days past from some astronomical events,
but seasonal manifestations as well.
"Astronomie populaire" by Camille Flammarion is one of the best
explanatory books about astronomy. Although, it is more than 100 years old.
Very intelligible 30-minutes explanation of
"what sundial is",
at the moment in Russian only.
Sundial Atlas -
data base with photos and coordinates of various sundials all over the world. Many useful information and links.
Very useful and positive website
Sundials Premier by Carl Sabanski.
Practically for all types of sundials free paper
Orologi Solari -
Explanations, articles, software tools, examples, pictures... and more ! All about sundials.
Program Shadows allows to construct most typical
sundials by free version, and all known types of sundials and astrolabies by pro version. A lot of photos,
information, tools for construction and making sundials.
BSS - British Sundials Society.
NASS - North-American Sundials Society.