library(MASS)
help(ls("package:MASS")[92])
## starting httpd help server ... done
dat <- MASS::menarche
list(dat)
## [[1]]
##      Age Total Menarche
## 1   9.21   376        0
## 2  10.21   200        0
## 3  10.58    93        0
## 4  10.83   120        2
## 5  11.08    90        2
## 6  11.33    88        5
## 7  11.58   105       10
## 8  11.83   111       17
## 9  12.08   100       16
## 10 12.33    93       29
## 11 12.58   100       39
## 12 12.83   108       51
## 13 13.08    99       47
## 14 13.33   106       67
## 15 13.58   105       81
## 16 13.83   117       88
## 17 14.08    98       79
## 18 14.33    97       90
## 19 14.58   120      113
## 20 14.83   102       95
## 21 15.08   122      117
## 22 15.33   111      107
## 23 15.58    94       92
## 24 15.83   114      112
## 25 17.58  1049     1049