gnuplot demo script: 3Dboxes.dem
gnuplot demo script: rectangle.dem
gnuplot Time-Based Histograms
Putting a box around the legend | gnuplot Cookbook
boxes « Gnuplotting
gnuplot set boxwidth not working - Unix & Linux Stack Exchange
Histogram plotting using Gnuplot
gnuplot demo script: fillstyle.dem
Multi-column data plotting with Gnuplot | Electricmonk.nl weblog
gnuplot demo script: histograms.dem
gnuplot histogram chart with overlap - Stack Overflow
Gnuplot documentation
Plotting multiple histograms | gnuplot Cookbook
Plotting a Histogram with Gnuplot
Gnuplot surprising: Plot histograms using boxes
Gnuplot histogram plot style - Stack Overflow
gnuplot / plot (5E)
Color repetition when using boxes in gnuplot - Stack Overflow
boxes « Gnuplotting
histogram - gnuplot boxes with different color bars - Stack Overflow
Gnuplot Reference
Creating a histogram with Gnuplot – The Accidental Developer
gnuplot histogram chart with overlap - Stack Overflow
Gnuplot tricks: Basic statistics with gnuplot
How to limit the number of xtics of a histogram in Gnuplot | Thilina Buddhika's Blog
