Add legend at the top of a plot - Stack Overflow
Draw Legend Outside of Plot Area in Base R Graphic (Example Code)
Styling Base R Graphics - Jumping Rivers
How to show sample error bars in the legend in R? | This or that questions, Legend, Shows
Mastering R Plot – Part 1: colors, legends and lines | R-bloggers
Adding common legends to multiple R plots – adventuresinstatistics
Building a nice legend with R and ggplot2 – the R Graph Gallery
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Add legend to axes - MATLAB legend
Describe Parts of a Chart in Graphical Form in R Programming - legend() Function - GeeksforGeeks
Taking control of the legend in raster (in R) – biologyforfun
Line Types in R: The Ultimate Guide for R Base Plot and GGPLOT - Datanovia
Describe Parts of a Chart in Graphical Form in R Programming - legend() Function - GeeksforGeeks
R Tutorials | Adding Legends to a Plot in R
Stacked Barplot in R and placing legend outside the graph area – Coal Geology and Mining: Consulting Services
One R Tip A Day: Two plot with a common legend - base graphics
Data visualization in R: Show legend outside of the plotting area | coders corner
How to display a legend outside a R plot | Ben Fradet
Add Legend to a plot - legend() Function in R - DataScience Made Simple
PCH in R Best Tips - Datanovia
R plot() Function (Add Titles, Labels, Change Colors and Overlaying Pots)
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
Figure 14-7: External Legends – SGR
GIS in R: Plot Spatial Data and Create Custom Legends in R | Earth Data Science - Earth Lab
Adding a legend to a plot | R-bloggers
