Photos & history of FDR's White House Map Room, used to monitor military activities during WWII buff.ly/2iK8Xyf

Page from the 1818 children's book _My Father_ buff.ly/2j56PyO via @AmAntiquarian

Map of explored parts of Mammoth Cave, drawn from memory by Stephen Bishop, an enslaved guide, 1842 buff.ly/2iK4gV6 via @gordonbelt

Teenage Ben Franklin's first piece of printing, a 1723 broadside elegy for a poet & fellow printer, reappears buff.ly/2j5ohD0

Some beautiful graphic bookplates from the early 20th c, including this beehive-themed example, via @hyperallergic buff.ly/2j56vjz

Oblique cutaway of the gondola of the Graf Zeppelin 1929. #dataviz #aviation tinyurl.com/zcxb8ca

Five More Compelling Digital History Projects We Loved in 2016 buff.ly/2hXF4Kf

Foxhunting map of Manhattan showing 18th & 19thc. locations dla.library.upenn.edu/dla/print/page…

Five Fascinating Digital History Projects We Loved in 2016 buff.ly/2iOejcN

Unexpectedly adding Georgia O'Keefe to my favorite painters of urban scenes ephemeralnewyork.wordpress.com/2013/11/18/the…

"Crows at twilight," woodblock print by Shibata Zeshin, late 19th c buff.ly/2gUy2lK via @FreerSackler

Tenant displays padlocked fire escape, Chicago, 1950 buff.ly/2i1YO0D

Illustration for "Automobile," in French dictionary Larousse Universel, 1922 buff.ly/2h4sb20

During the Great Depression, one family sent this honest-yet-cheerful card on recycled paper: s.si.edu/PinerosCard

A few illustrations from the 1964 kids' book _What Colonel Glenn Did All Day_ #RIP buff.ly/2hn206C

Alice Paul and members of the National Woman's Party, 1920 buff.ly/2g5RUXz

Scops Owl in Moonlight, woodblock print by Ohara Shoson, early 1920s buff.ly/2h2POax

A map of events in Huckleberry Finn, 1959 buff.ly/2g6Gjmc via @LOCMaps

Illustrations from 1979 Soviet children's book "Your Name? Robot"

"Chart of Geographical Illustrations" for classroom use, published in London in 1915 buff.ly/2gCtCUq via @Nemfrog