diff --git a/dictionary.md b/dictionary.md
index bc7ab22..a63cb31 100644
--- a/dictionary.md
+++ b/dictionary.md
@@ -1,7 +1,11 @@
 The following table provides some quick translations of Stata commands into R.  Since R supports multiple data sets, we need to specify a specific data set to manipulate when using data accessing/modifying commands. We use mydata as the default data set to target. 
 
+See also: https://github.com/EconometricsBySimulation/RStata/wiki/Dictionary:-Stata-to-R
+
 Stata                         | R                                          | Description
 ------------------------------|--------------------------------------------|------------------------------
+cls                           | cat("\014")                                | Clears the screen
+clear all                     | rm(list=ls())                              | Clears data. Set fresh workspace
 insheet using "foo.csv", comma| mydata <- read.csv("foo.csv")              | Read csv file
 cd "mydirectory"              | setwd("mydirectory")                       | Change working directories
 reg y x1 x2                   | summary(lm(y~x1+x2, data=mydata))          | Ordinary least squares with constant