Textbook 
                        
                            Do not specify 
                                                        Minna no Nihongo 
                                                        Minna no Nihongo (2nd Edition) 
                                                        Chukyu Nihongo (Tema-betsu) 
                                                        Jokyu Nihongo (Tema-betsu) 
                                                        Shokyu Nihongo 
                                                        Chukyu Nihongo 
                                                        Hyojun Nihongo Shokyu 
                                                        Hyojun Nihongo Chukyu 
                                                        GENKI (Conversation and Grammar) 
                                                        GENKI (Reading and Writing) 
                                                        JBP I 
                                                        JBP II 
                                                        JBP III 
                                                        Marugoto Starter Communcative Activities (Katsudou) 
                                                        Marugoto Starter Communicative Competence (Rikai) 
                                                        WADAIKO 
                                                        ひろこさん1 
                                                        ひろこさん2 
                                                        かんじ(一) 
                                                        できる日本語 初級 
                                                        できる日本語 初中級 
                                                     
                        From 
                 
                
                    
                        Part of Speech 
                        
                            All 
                            All declinable words 
                            All Verbs 
                                                                                    
                            Group 1 Verbs 
                                                                                    
                            Group 2 Verbs 
                                                                                    
                            Group 3 Verbs 
                                                                                    
                            i-adjectives 
                                                                                    
                            na-adjectives 
                                                                                    
                            Noun 
                                                                                 
                    
                    
                        Accent type 
                        
                            All 
                            Accentless (Type 0) 
                            Initial-high (Type 1) 
                            Mid-high 
                            Final-high (Type -1) 
                            Accented 
                            Type 2 
                            Type 3 
                            Type 4 
                            Type 5 
                            Type 6〜 
                            Type -2 
                            Type -3 
                            Type -4 
                            Type -5 
                            Type -6〜 
                         
                    
                    
                        Word Length 
                        
                            All 
                            1 mora(s) 
                            2 mora(s) 
                            3 mora(s) 
                            4 mora(s) 
                            5 mora(s) 
                            6 mora(s) 
                            7〜 mora(s) 
                         
                    
                 
                
                    
                        Difficulty 
                        From                        
                            All 
                            Lower Beginner 
                            Upper Beginner 
                            Lower Intermediate 
                            Upper Intermediate 
                            Lower Advanced 
                            Upper Advanced 
                         
                        To                        
                            Lower Beginner 
                            Upper Beginner 
                            Lower Intermediate 
                            Upper Intermediate 
                            Lower Advanced 
                            Upper Advanced 
                         
                                             
                 
                
                    
                        Old JLPT 
                        From                        
                            All 
                            Level 4 
                            Level 3 
                            Level 2 
                            Level 1 
                         
                        To                        
                            Level 4 
                            Level 3 
                            Level 2 
                            Level 1