| linguistics_groups_1_2_3_4_5_6. Part One.pdf | 631 KB |
| linguistics_groups_1_2_3_4_5_6_part_two.pdf | 579 KB |
| linguistics_groups_1_2_3_4_5_6_Part_three.pdf | 139 KB |
| linguistics_groups_1_2_3_4_5_6 Part_Four1/2.pdf | 132 KB |
| linguistics_groups_1_2_3_4_5_6 Part_Four.2/2.pdf | 111 KB |